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non , maybe mars use to when water existed on it

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Q: How many planets are like Earth in the observable universe?
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Are there at least 10 billion trillion Earth-like planets in the observable universe?

In my opinion, yes. There are at least 10 billion trillion Earth-like planets in the observable universe.


Will astronomers make a catalogue for at least 18 billion trillion Earth-like planets in the observable universe?

Unlikely, because that number is only someone's estimate.


How many Earth-like planets are there in a fictionalized version of our Universe?

There are at least 10 billion trillion Earth-like planets (with 100 billion per galaxy) in a fictionalized version of our universe.


How many Earth-like planets with sentient life are there in a fictionalized version of our Universe?

There are 10 million trillion Earth-like planets with sentient life (100 million per galaxy) in a fictionalized version of our universe.


Are there countless Earth-like planets and moons in the universe?

no because scientists think that earth is the only planet in the universe that supports life :3


How many earth-like planets are in the universe?

There are more than 10 billion trillion Earth-like planets (100 billion+ per galaxy/1 or 2 per star) in the universe, and estimates may vary.


Are planets mammals?

Planets are in the solar system comprising the universe. Mammals live ON a planet, like on this planet Earth.


Is there an earth like ours in this universe?

We suspect that there are probably other planets in the universe that could be habitable. It's not likely that there's one EXACTLY like Earth, though.


Do all 10 billion trillion or more Earth-like planets in the universe come in all sizes and colors?

In my opinion, yes. At least all 10 billion trillion or more Earth-like planets in the universe come in all sizes and colors.


What percentage of the universe is blocked from earth's view by the milkyway and other objects and galaxies?

It is believed that the Universe is much, much bigger than the observable Universe, but exactly how much bigger is not currently known.It is believed that the Universe is much, much bigger than the observable Universe, but exactly how much bigger is not currently known.It is believed that the Universe is much, much bigger than the observable Universe, but exactly how much bigger is not currently known.It is believed that the Universe is much, much bigger than the observable Universe, but exactly how much bigger is not currently known.


Could other earth-like planets exist in the universe?

Maybe, although we haven't found any planets with life-supporting conditions on them yet.


How many planets are just like earth in the universe?

It's unknown. We didn't discover a planet with water, and oxygen.