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General => Image Sharing => Topic started by: raymoh on February 03, 2019, 03:07:50 am

Title: All these worlds...
Post by: raymoh on February 03, 2019, 03:07:50 am
Under this thread I want to introduce some of my (newer and older) astronomical art renders, made with Terragen 3 and 4.
One the one hand, the depicted landscapes and sceneries are purely fictional, but on the other hand I try to be as realistic as possible and integrating the known facts of exoplanets in my renders (so for example the apparent diameters of planets and suns, light conditions on the surface, colors and atmospheric conditions...).
Because I have an affinity to astronomy and astrophysics , some descriptions will be a little ,,scientific".

[attach=1]

Let's imagine the antipodes of the Solar System:  A place in space, about 60'000 lightyears away from here, behind the center of the milky way galaxy.
The inhabitable moon of an entirely water-covered Super-Earth orbiting a young Class A main sequence star, part of a triple system with two red dwarfs, visible over the horizon.

[attach=2]

This is the surface of the above mentioned Ocean Planet. The ocean of this planet covers the entire surface; no continents, no isles.
It reaches down several hundred kilometers (or miles, if you wish) with an immense pressure at the bottom, creating exotic materials like "Ice VII". It's not clear if such a planet is habitable (for humans) or not, despite the water. Because the planet is a Super-Earth (bigger and more massive than earth) the atmosphere also is very dense and under heavy pressure.
Title: Re: All these worlds...
Post by: cyphyr on February 03, 2019, 04:09:22 am
The Ocean Planet in very impressive, great work on the water.
Title: Re: All these worlds...
Post by: mhaze on February 03, 2019, 05:31:20 am
Yeah! Great work, especially the ocean.
Title: Re: All these worlds...
Post by: DannyG on February 03, 2019, 07:53:04 am
Mimic above, excellent
Title: Re: All these worlds...
Post by: bobbystahr on February 03, 2019, 01:21:06 pm
echo cyphyr...great stuff.
Title: Re: All these worlds...
Post by: RichTwo on February 03, 2019, 02:50:17 pm
Always a fan of sci-fi (or sci-probability) images - you are off to a great start!
Title: Re: All these worlds...
Post by: DocCharly65 on February 04, 2019, 04:19:28 am
Great images!
Title: Re: All these worlds...
Post by: raymoh on February 04, 2019, 10:50:39 am
Thanks to all of you for your comments.
Other renders will follow.
Title: Re: All these worlds...
Post by: raymoh on February 06, 2019, 01:53:52 pm
Another render of my "archive":

A panoramic view of an upcoming thunderstorm on a habitable exomoon.
This earth-like moon orbits a Jupiter-like host planet somewhere in the universe. The gas giant itself revolves in the habitable zone around a sun-like main sequence star. So to say a ,,warm" Jupiter.
Billions of years ago, the gas giant formed in the outer regions of this system, then moved in by gravitational perturbances to its present position, stable for the next couple of billions of years. This movement devastates and changed the whole system, by ejecting planets in the interstellar space or in the sun itself.
I am supposing a geologically very active moon with a ,,heavy climate", because the near gas giant is affecting its moon with his gravitation much more than our moon is affecting the earth.
Big tides not only in the water but also in the atmosphere, so severe climatic events are common, but life is very adaptable.
Title: Re: All these worlds...
Post by: Jo Kariboo on February 06, 2019, 08:59:35 pm
Three very beautiful images.
Title: Re: All these worlds...
Post by: raymoh on March 12, 2019, 11:23:56 am
My newest render: An early and frosty morning on Mars on an ancient landslide, and I mean a really ,,frosty" morning, about -90° Celsius. At night the carbon dioxide in the atmosphere has frozen and, with the rising sun it will sublimate soon.

[attach=1]

It was a little tricky to create the half buried fake stones, partly covered with dust.
Title: Re: All these worlds...
Post by: Kadri on March 12, 2019, 12:00:13 pm

Nice images. I like especially the second one.
Title: Re: All these worlds...
Post by: raymoh on April 08, 2019, 03:09:50 pm
A new render of my "Red Worlds"-series:

[attach=1]

An imaginary view of the surface of Barnard's Star b, the nearest exoplanet orbiting a single star.
Title: Re: All these worlds...
Post by: archonforest on April 08, 2019, 03:15:10 pm
Nice. Perfect for a Riddick movie.
Title: Re: All these worlds...
Post by: raymoh on June 07, 2019, 02:30:13 pm
A suborbital flight over an habitable exomoon orbiting a gas giant:

[attach=1]

Only Terragen 4 and a minor color correction
Title: Re: All these worlds...
Post by: Oshyan on June 08, 2019, 07:21:36 pm
Nice sense of scale. I'm sure this is an alien world so my Earth-based assumptions don't count, but given the water and terrain colors, those very yellow beaches do seem a bit odd. Perhaps there is a deep sulfur sediment at the bottom of the entire ocean? :D

- Oshyan
Title: Re: All these worlds...
Post by: raymoh on June 09, 2019, 03:21:30 am
Who knows. Perhaps this exomoon is habitable for humans, but not without restrictions... ;)
Title: Re: All these worlds...
Post by: raymoh on June 09, 2019, 03:49:03 am
For comparison: Version II with less yellowness of the beaches.
[attach=1]
Title: Re: All these worlds...
Post by: Oshyan on June 09, 2019, 01:40:12 pm
Yes, for my taste this is better. But of course it is your scene and up to *your* taste! :)

- Oshyan
Title: Re: All these worlds...
Post by: DocCharly65 on June 15, 2019, 11:14:44 am
Very cool!
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Post by: Agura Nata on June 16, 2019, 07:35:30 am
Amazing works!
Title: Re: All these worlds...
Post by: raymoh on July 16, 2019, 02:16:19 pm
A little astronomical sci-fi:
A hostile planet orbiting a young red dwarf binary system. The strong X- and UV-radiation is inducing Cherenkov radiation in the strange crystalline mountains.
Title: Re: All these worlds...
Post by: bobbystahr on July 16, 2019, 02:20:33 pm
Very inventive with the back story...I often feel that's what makes an image; oddly enough...I really like this one!
Title: Re: All these worlds...
Post by: WAS on July 16, 2019, 06:15:36 pm
Quote from: raymoh on July 16, 2019, 02:16:19 pm
A little astronomical sci-fi:
A hostile planet orbiting a young red dwarf binary system. The strong X- and UV-radiation is inducing Cherenkov radiation in the strange crystalline mountains.


Cool seeing stuff like this coming from TG again. Nice work.
Title: Re: All these worlds...
Post by: DocCharly65 on July 17, 2019, 01:13:09 am
Nice idea and nice render. Could you get the crystalline structures a bit more glossy and trancelucent? That would improve the overal view very much I think :)
Title: Re: All these worlds...
Post by: masonspappy on July 17, 2019, 07:38:54 am
Quote from: DocCharly65 on July 17, 2019, 01:13:09 am
...Could you get the crystalline structures a bit more glossy and trancelucent? That would improve the overal view very much I think :)


Echo this.  Would really like to see how it turns out.
Title: Re: All these worlds...
Post by: N-drju on August 08, 2019, 05:18:38 am
I am here because of the title. And not disappointed. :)
Title: Re: All these worlds...
Post by: raymoh on August 13, 2019, 11:37:42 am
I'm working on my crystalline mountains.

Meanwhile an older render: An imaginary desert planet with two moons.

Mushroom Desert.png
Title: Re: All these worlds...
Post by: Oshyan on August 13, 2019, 02:10:53 pm
Cool mushroom formations!

- Oshyan
Title: Re: All these worlds...
Post by: Tangled-Universe on August 14, 2019, 07:56:23 am
Usually I'm not too fond of alien worlds/planets, but if executed nicely like this series it's definitely a joy to watch, great work! I especially like the water world and some of the dense atmosphere ones.
Title: Re: All these worlds...
Post by: raymoh on August 17, 2019, 02:45:48 am
Thank you! Like I mentioned in my opening post, I'm always anxious to be as "realistic" as possible in my renders. Only the landscapes itself are purely imaginative.
Title: Re: All these worlds...
Post by: raymoh on August 17, 2019, 03:50:21 am
Now here is an edited version of "Cherenkov's Planet". 3 layers of reflective/translucency shaders, raised the brightness, less fog and added some rays to one of the suns to accentuate the high radiation of this "flare event" that occurs to this red dwarf. Needed some render time.

Weird Worlds - Cherenkov's Planet.png
Title: Re: All these worlds...
Post by: Hannes on August 18, 2019, 08:37:12 am
Cool! The spikes look a bit like jade.
Title: Re: All these worlds...
Post by: Agura Nata on August 19, 2019, 05:07:14 am
Looks great!
Title: Re: All these worlds...
Post by: raymoh on September 06, 2019, 03:56:40 am
A render from my "archives", now  here on Planetside:

A stony plain covered with ice and snow on a supposed martian-sized moon of HD 220773 b, a gas giant a little more massive than Jupiter.
In about a ten year cycle most of the faint atmosphere of this moon is collapsing at apastron, due the highly eccentric orbit of its host planet. So the most of the visible snow and ice is the ,,condensed" atmosphere itself.
At periastron the atmosphere will ,,rebuild" to its normal martian-like state.
I presume that HD 220773 b has a thin ring of debris like Jupiter and we are admiring the ,,string of pearls", the exact ,,edge on"-moment of the ring. In a couple of minutes this spectacle is gone, like a solar eclipse.


HD 220773 b - Icy Moon.jpg
Title: Re: All these worlds...
Post by: raymoh on October 03, 2019, 01:47:39 pm
Also something from my archives. This render needs some scientific explanations.

2.5 trillion years in the future: This previously Red Dwarf with 16% of the solar mass has evolved in a so called Blue Dwarf. Most of the hydrogen in the entire star is consumed. By increasing the surface temperature and luminosity (to about a third of the solar luminosity) it reaches a new equilibrium that lasts another 5 billion years.
In this far future of the universe most of the more massive stars are ,,dead", changed into White or Black Dwarfs, Neutron Stars or Black holes. The luminous part of the still existing galaxies now are made of evolved Red Dwarfs. Very slowly the era of the luminous stars is going to an end... in about 100 trillion years the universe will go dark and black for human eyes (if the theories of the expanding universe are ,,true").

The render: An evolved Red Dwarf in the sky of a previously cold planet outside the habitable zone. Because the increased luminosity the planet is now in the middle of the new habitable zone, and ice of different origin aged billions of years begins to melt and forms a new atmosphere and shallow ponds, birthplaces for a second evolution.
There is no more geological activity and the entire planet is a vast plain, mountains and valleys eroded to boulders, stones, pebbles and dust in the last 2.5 trillion years. Nevertheless life will find a way.

Terragen 4 and Pixelmator


Evolved Red Dwarf.png
Title: Re: All these worlds...
Post by: Oshyan on October 03, 2019, 02:41:56 pm
Such a seemingly simple scene, but I really love that low mist! And the balance of specular really works for me too.

- Oshyan
Title: Re: All these worlds...
Post by: raymoh on November 01, 2019, 03:37:12 am
Barnard's Star b: A redesign

An imaginary view of the surface of Barnard's Star b, the nearest exoplanet orbiting a single star.
Barnard b is probably a rocky Super-Earth, or more precisely a ,,Super-Titan" with a dense atmosphere, or maybe a Mini-Neptune. It revolves on an eccentric orbit far outside the habitable zone of its host star, a dim Red Dwarf. So the surface temperature is about -170° C. The planet receives only about 2% of the energy the earth receives from the sun, mostly at infrared wavelengths. At the distance of Barnard b, the planet is no longer tidally locked, there will be day and night.
Barnard's Star and its planet are about twice as old as the Solar system (7 to 10 billion years).


In my renders I decided to show a rocky ice-world with a dense atmosphere composed of mostly nitrogen and various gaseous hydrocarbons. The ice itself is also from different origin: mostly methane-ice but also traces of rock-hard frozen water. No signs of life as we know it.
The sky is almost always overcast. So it's mostly a deep twilight trough the day.
Very rarely, when Barnard's Star is clearly visible, the still blinding disc is less than half as big as the sun seen from earth, the dim light has a distinct yellowish tinge and
at midday it will be only about 1000 times as bright as the full moon (or about 300 Lux, if you like).

Such a moment I captured in my first render. Barnard's Star shines trough a cloud gap for a couple of minutes, revealing an alien landscape with vast snow- and ice-fields, mountains and rocks that reminds somehow of Antarctica on earth.

My second render depicts the identical scenery the same day around midday. Now the sky is overcast with dense and thick (hydrocarbon) cloud layers, absorbing most of the sunlight. For human eyes it's nearly dark; a dim, diffuse and almost monochromatic twilight.
Title: Re: All these worlds...
Post by: Dune on November 01, 2019, 04:08:59 am
I love that first render, especially with your description. Great stuff!
Title: Re: All these worlds...
Post by: raymoh on November 01, 2019, 04:57:23 am
Thank you very much. I am aware that the second render doesn't give much, but I decided to show it to demonstrate the lighting conditions. BTW: It took longer to render than the first one because of the different cloud layers
Title: Re: All these worlds...
Post by: mhaze on November 01, 2019, 05:59:05 am
I continue to be impressed by your work.
Title: Re: All these worlds...
Post by: bobbystahr on November 01, 2019, 12:10:21 pm
Quote from: Dune on November 01, 2019, 04:08:59 amI love that first render, especially with your description. Great stuff!
Echo Dune here..well done man!
Title: Re: All these worlds...
Post by: j meyer on November 01, 2019, 12:15:52 pm
The first one is great indeed, even without the description.
Title: Re: All these worlds...
Post by: bobbystahr on November 01, 2019, 12:17:39 pm
Quote from: Oshyan on October 03, 2019, 02:41:56 pmSuch a seemingly simple scene, but I really love that low mist! And the balance of specular really works for me too.

- Oshyan
"seemingly simple scene"...I love alliteration...and agree with the complete comment.
Title: Re: All these worlds...
Post by: raymoh on November 13, 2019, 03:05:49 pm
Thank you folks!

Here is another render (from my archive):

This is an earth-sized Carbon Planet, orbiting a star in the inner regions of our galaxy. Carbon Planets are hypothetical, but plausible and expected to exist.

Early morning over a vast, stony desert. Volcanic activity created this landscape long time ago, now eroding under the atmospheric conditions.
Soon the temperature will raise at about 70° C. The landscape is mostly covered with black, slightly reflecting graphite sand and dust. The winds have uncovered a big diamond lode, now glistening in the sun. Diamonds can be very common on Carbon Planets. There may be entire mountains made of this dense ,,carbon material", raised to the surface trough seismic activities.
Conditions for earthly life are really bad, but it would be a ,,paradise" for mining companies and petrochemical industries. All this carbon-based and carbon-enriched compounds...
Title: Re: All these worlds...
Post by: DocCharly65 on November 14, 2019, 03:06:39 am
Though I am missing a bit more bumpiness of the rocks on the right a cool scene.
For the glittering diamond look on the left there could be even a bit more glow and starburst effect.
Title: Re: All these worlds...
Post by: raymoh on November 26, 2019, 02:05:13 pm
A totally hypothetical planet of van Maanen's Star, the nearest single White Dwarf star. A White Dwarf is a tiny ,,end of lifetime"-stage of a sunlike star, after the ,,Red Giant"- stage. The sun itself will reach this stage as a stellar remnant in about 5 billion years from now.

This hypothetical planet survived the Red Giant stage of his host star, burnt nearly to ashes, partially melted and lost most of its atmosphere, blown into space.
Title: Re: All these worlds...
Post by: raymoh on December 23, 2019, 10:44:03 am
An imaginary earth-like planet with two big moons. This world is in its early Proterozoic Era, like earth some 2.5 billion years ago. First lifeforms are evolving, metabolizing and enriching the planets atmosphere with oxygen.

The water of a shallow tidal pond is full of bacterias similar to cyanobacterias on earth, covering first local stromatolites and the shore with thick slimy carpets.
Title: Re: All these worlds...
Post by: Oshyan on December 23, 2019, 12:59:29 pm
Woah, yeah! Foreground texturing is great.

- Oshyan
Title: Re: All these worlds...
Post by: WAS on December 23, 2019, 01:17:45 pm
Quote from: Oshyan on December 23, 2019, 12:59:29 pmWoah, yeah! Foreground texturing is great.

- Oshyan
Second that, the detail looks great in the texturing. It's actually hard to really pick out any vanilla looking PFs.
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Post by: Dune on December 24, 2019, 02:18:02 am
Cool color scheme! Very alien indeed.
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Post by: DocCharly65 on January 02, 2020, 03:08:05 am
Acid extraterrestrial look! Great! (Though I never would bath my feet in that liquid!)  :)
Title: Re: All these worlds...
Post by: raymoh on January 18, 2020, 11:06:59 am
Another space art render:
CM Draconis, a real existing double star system of two faint red dwarfs in the constellation of the dragon, about 47 light years away. These two closely neighboring stars in turn orbit around a distant white dwarf star.  The whole triple system is about twice as old as the sun.
I created a hypothetical small, cold, Mars-like planet. Billions of years ago, the existing water transformed into ice and formed a landscape like the Antarctic dry valleys of the Earth. As the eons passed, the atmosphere dissolved almost entirely. Here it is about as bright as on an overcast winter's day, so the brightest stars can be seen even during the day. The bright star to the left above the center of the image is the white dwarf. It is about as bright as Venus in the Earth's sky.
Title: Re: All these worlds...
Post by: WAS on January 18, 2020, 07:15:44 pm
Quote from: raymoh on January 18, 2020, 11:06:59 amAnother space art render:
CM Draconis, a real existing double star system of two faint red dwarfs in the constellation of the dragon, about 47 light years away. These two closely neighboring stars in turn orbit around a distant white dwarf star.  The whole triple system is about twice as old as the sun.
I created a hypothetical small, cold, Mars-like planet. Billions of years ago, the existing water transformed into ice and formed a landscape like the Antarctic dry valleys of the Earth. As the eons passed, the atmosphere dissolved almost entirely. Here it is about as bright as on an overcast winter's day, so the brightest stars can be seen even during the day. The bright star to the left above the center of the image is the white dwarf. It is about as bright as Venus in the Earth's sky.
My favorite. Love the lighting in the sky and surfaces. Love the twisting/fractalization of the base surface.
Title: Re: All these worlds...
Post by: Dune on January 19, 2020, 02:26:02 am
Yes, this is a great terrain and lighting. I'm glad we only have one sun, or you'd feel drunk all the time :P
Title: Re: All these worlds...
Post by: Agura Nata on January 26, 2020, 10:18:08 am
Great looking works!
Title: Re: All these worlds...
Post by: raymoh on February 23, 2020, 07:28:51 am
Once again Mars:
An upcoming dust storm in the southern hemisphere. In a few days it will cover the entire planet.
Title: Re: All these worlds...
Post by: raymoh on March 01, 2020, 10:58:26 am
A little science fiction:

Encounter in the asteroid belt: The small lights orbit the golden spaceship and seem to have something to do with communication. But nobody has been able to decipher the code so far.

The golden spaceship is a fractal made with the program "Mandelbulber" and inserted in a Terragen render.
Title: Re: All these worlds...
Post by: Dune on March 02, 2020, 01:58:12 am
Cool renders!
Title: Re: All these worlds...
Post by: raymoh on March 12, 2020, 01:18:48 pm
This is a visualization of Prox b, or more precisely Proxima Centauri b, a probably earth-like planet around Proxima Centauri, the nearest known star after the sun.

A pass in a mountainous region in the moderate but still cold parts of the tidally locked planet near the terminator: The high plain is populated by strange immobile lifeforms, neither animals nor plants. Their frisbee-like body seems to stuck in the soil, pointing at the always stationary sun. They are bioluminescent: For some unknown reason they are converting infrared light in visible red wavelengths and glowing in a cold reddish light.
Title: Re: All these worlds...
Post by: MrSethez on March 13, 2020, 12:08:41 am
WOw, i very interesting it, just like a alien-planet landscape. But i must ask you, how can you add the "moon" into the render ? ;D
Title: Re: All these worlds...
Post by: raymoh on March 19, 2020, 03:37:00 pm
An Europa-like ice-moon orbiting a Neptune-like gas giant in a young solar system with a distant type A main sequence host star.
The gravitational pull of the gas giant breaks the thick ice crust of the moon, forming huge cliffs.
Title: Re: All these worlds...
Post by: sboerner on March 19, 2020, 08:58:14 pm
Wow, beautiful. One of your best efforts yet. If only Chesley Bonestell could see this.
Title: Re: All these worlds...
Post by: Dune on March 20, 2020, 03:29:05 am
Great render indeed!
Title: Re: All these worlds...
Post by: raymoh on March 20, 2020, 04:35:44 am
Thank you! "I'll do my best..." :)
Title: Re: All these worlds...
Post by: Kadri on March 22, 2020, 10:14:35 am
Nice.
Title: Re: All these worlds...
Post by: DocCharly65 on March 23, 2020, 11:07:35 am
Oh, this is a very nice one!
Convincing look of the described environment :)
Title: Re: All these worlds...
Post by: raymoh on March 28, 2020, 06:00:50 am
A habitable Earth-like planet rises, seen from one of its two moons.
Title: Re: All these worlds...
Post by: luvsmuzik on March 28, 2020, 08:44:49 am
Very nice! :)
Title: Re: All these worlds...
Post by: sboerner on March 29, 2020, 08:47:06 am
Yes, another good one. Would you consider adding a faint patchwork of lights (cities or other large artificial structures) to the dark side of the habitable world? (Or perhaps it isn't that advanced yet.)
Title: Re: All these worlds...
Post by: raymoh on March 29, 2020, 10:28:42 am
I thought about adding technical structures in some of my renders, but I decided against it. At the moment I want to show rather "virgin" worlds, without influence of humans (or intelligent beings in general). Maybe later on.
Title: Re: All these worlds...
Post by: sboerner on March 29, 2020, 10:34:54 am
Understood. Keep up the great work.
Title: Re: All these worlds...
Post by: DocCharly65 on March 30, 2020, 01:55:46 am
Nice render :)
Title: Re: All these worlds...
Post by: raymoh on April 07, 2020, 04:39:09 am
In these worldwide corona-crisis times, one has time at home to deal with Terragen:
I've been playing around with big displacements and this is what came out of it:

A large, eroded sandstone mountain range on an habitable moon of a gas giant. Through gaps in the cloud cover you can see the strange vegetation in the valley.

I had to make some corrections with Pixelmator on the final render, since some rendering artifacts were left over because of the "exaggerated" displacements.
Title: Re: All these worlds...
Post by: raymoh on April 20, 2020, 04:46:26 am
Reminds me of Tatooine, the desert planet from Star Wars. This one, however, has more water and a luminescent vegetation.
Title: Re: All these worlds...
Post by: Dune on April 20, 2020, 06:00:35 am
Very nice worlds!
Title: Re: All these worlds...
Post by: raymoh on May 09, 2020, 08:21:41 am
A new render of my "Red Worlds - Series":
This is an imaginary, desert-like landscape on GJ 1061 c, the second planet of the red dwarf star GJ 1061, about 12 light years away from earth.
Planet c is a "Super-Earth", i.e. it is slightly heavier and larger than the Earth, thus has a slightly higher gravity and probably a denser atmosphere (if it has one). The planet moves at the inner edge of the habitable zone around its host star and receives about one third more radiation than the Earth from the Sun, mainly infrared light. In the visible part of the spectrum, however, it is much dimmer on this planet than on Earth. On a cloudless day in areas close to the terminator (like on my render) it will be about as bright for humans as on earth shortly after sunset.  Thereby the red dwarf appears about 5 times bigger in the sky than the sun from earth. It is unpleasant to stare directly into the big sun disk, but not as dangerous as on earth. The landscape is bathed in a distinct yellow-red light. In the shining sun disk you can faintly see some big sunspots.
GJ 1061 c always turns the same side to its sun. Due to the strongly warmed day side and the cold night side of the planet, heavy winds are constantly blowing in areas close to the terminator.
I tried to capture such a scene of an upcoming storm in my render. Bioluminescent life forms partially cover the ground like a carpet.

The image is a composition of three different renders and some post-processing until I could recreate roughly the (light) conditions I had in mind.
Title: Re: All these worlds...
Post by: raymoh on May 25, 2020, 04:12:18 am
A new Space Art render:

A hypothetical habitable planet moving on a stable but irregular orbit around two pairs of suns. The year (and the seasons) are not always the same, because the orbit has a certain random character, caused by the different gravitational forces of the two pairs of Suns. The planet is subject to extreme climatic variations, from ice ages to long periods of drought, depending on where it is on its orbit around the suns.