Questions tagged [earth-like-planet]
Questions about solar system planets/moons and exoplanets that exhibit similar features to the Earth.
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is there anything that might cause a planet to stop getting sunlight permanently, or to only have light infrequently? (on the whole planet or part)?
(writing a story)
Is there anything that might cause all or part of a planet to stop getting sunlight, or to have a permanent/ridiculously long-lasting perpetual twilight?
nuclear winter? volcanic ...
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The Occurrence Rate of Lunar/Solar Eclipses and Its Effect on a Planet
I was pondering over ideas for fantasy worlds and came across one that begged a question about the effect of eclipses on the Earth. If a total lunar/solar eclipse happened every 80 years or so instead ...
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Can a star with a stellar mass of 1.176 with a similar composition to the Sun have a planet with these characteristics?
Imagine a solar system similar to ours that has a star with a similar composition to the Sun and a stellar mass of 1.176 and an Earthlike planet with about 1.18 times the mass of Earth in its ...
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What stellar conditions and orbital distance are needed to produce a year length of 515 Earth days and 9 Earth hours on an Earthlike planet?
A planet has a year length of 515 Earth days and 9 Earth hours. It is the same size and has the same climate as Earth. What stellar conditions would be needed to produce this and what orbital distance ...
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A couple of questions about Earth's hypothetical planetary rings
From what little I know of this subject, It should be possible for Earth (Or a planet the size of Earth) to keep a system of Planetary Rings. However, looking around the internet only gives me info ...
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How much of the earth would remain intact if the sun expanded into a red giant encompassing its orbit?
It seems to me that part of the earth might survive being absorbed by a red giant. How long would it take the heat, plasma, magnetic field, etc. of the sun to eat away at the earth? How long could it ...
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Can distribution of stars / planets formation be a long-tailed one?
We know that peak of star formation already passed
10.1146/annurev-astro-032620-021910
and it looks like peak of planet formation occurred slightly after formation of Earth
10.1017/S1473550415000208
...
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Crust thick enough to prevent volcanos
Could you have an Earth-like planet with a crust thick enough to prevent volcanos from forming?
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Did we adapt to Earth or Earth to us? [closed]
I often hear that Earth is a unique planet because it has life. We also see a proper balance between plants and humans and other animals. Why is life not possible on another planet? Often people say ...
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Exoplanet dip in transit light curve when the planet passes behind the star
In the animation below, I don't understand why the brightness slightly decreases when the planet is behind the star.
Where does this effect come from?
user16492
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Why are most discovered exoplanets heavier than Earth?
Looking at all discovered exoplanets (4393 exoplanets), I found than only 17 of them (less than one percent!) have masses less or equal to Earth's mass. Why so?
Is it because it is very difficult to ...
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For colonization purposes, what is so good about Titan? [closed]
I have read that Titan is the best candidate for humans to colonize in our Solar System.
However it has no water, it's atmosphere is not breathable and it is -290° F on the surface. It doesn't sound ...
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How would Earth's magnetic field change if the outer core was solid?
A widely accepted theory for how the Earth's magnetic field is generated is the dynamo theory. Dynamo theory describes how molten magma convection currents containing metal are locally spun the same ...
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Do celestial objects need to be big to have liquid water on their surfaces?
I mean no asteroid, planetoid that I am aware of has water on its surface. It is way more common to see ice in it. So I figured that the size of the celestial body has something to do with the cycle ...
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How many quakes have been detected by InSight?
Insight has been on Mars with its seismometer for almost two years now. Has it detected any mars-quakes yet? How often do these quakes seem to occur?
Is there a website where the current number of ...
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