Why is earth the only planet you can live on?

Answer 1

There are three necessities that Earth provides that is why only (as far as we know) people live on Earth: 1. The Temperature range/distance from the sun-Just cold but not to cold, warm enough but not to hot! 2. The Oxygen (CO2)-As far as we know Earth is the only one with oxygen in the atmosphere. 3. Liquid Water (H2O)-We've been digging in Mars for this stuff but so far there's nothing confirmed. The other planets don't have all these traits except Earth. Hope that helps! Good Luck!

Answer 2

We don't really know yet, with certainty, that it is the only one. The universe is an incomprehensibly big place, and over the last handful of years we have just begun to learn how to detect planets beyond our solar system. As long as there are unexplored planets we will never really know with complete certainty that earth is the only life-supporting one. The only thing we can ever know with certainty is that we are NOT the only life-supporting planet, and this depends on our actually finding another. This logic may seem strange to you; think about it and it will come clear.

Answer 3

This is because all other planets have no oxygen,and oxygen is one of our main sources.Without it we would suffocate.Also,Earth isn't too hot neither is it too cold,a temperature usually of 57 F.A difference with this temperature and we would either be colder,or hotter.And plus,we have water and that is also a main source.Uranus has water too,but the planet is out of reach,so why even think about that?

So this is basically why.

Answer 4

Human beings evolved here. Other planets in our solar system lack suitable environments for fostering the growth and development of multicellular organisms.

It is likely other planets in our galaxy also harbor life, but on those planets it is also extremely unlikely such life followed the same evolutionary pathways it did here. Organisms there would likely be very, very different than those found here.

Answer 5

This is because only earth has the efficient atmosphere we need to live. Like oxygen most planets either have none or very little of this substance.

Answer 6

because earth is the only planet that reaches man-kinds needs to survive, other than the newly discovered planet nicknamed "The Goldilocks Planet"

Answer 7

because many years ago the earth moved to the only part of the solar system which had air and locked there human will last till the sun burns out of gas in about 10000000000 years.