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All of them , including Earth. !!!!
Because the local environment of each planet is so different from Earth, we , humans, cannot survive on them. I include Earth, because people can be killed by geophysical activity , earthquakes, etc., also being bombarded by asteroids/comets.
What else can I help you with?
Are there any other planets we don't knoe about?
There are many other planets in many other galaxies.
How many planets are in our solar system from gas?
There are four gaseous planets.
How many planets in the solar system are terrestrial planets?
1...Earth
How many planets does Earth have?
Earth has no planets of its own. It is one and has one moon.
How many planets does your galaxy have?
nine
Would it be dangerous if the planets stopped orbiting the sun?
probaly
What planets are dangerous?
All of them in one way or another. This includes Earth.
Is it possible that some planets have life on them and suggest a reason why we are unlikely ever to visit these life forms.?
the planets containing life form other than earth may have a dangerous species, or the planet itself may be dangerous.
What's the most dangerous planet?
It's definitely Mercury...or Venus...or one of those giant planets. Mars is pretty dangerous too.
How many planets are there that can be dangerous?
As long as you stay here on Earth, no other planet poses any danger to you.But if you were to go to any other planet, you couldn't survive there.
How many girl planets and how many boy planets are there?
7 boys 1girl
How many new planets?
there is 7 new planets
What type of technology used in dangerous space missions to study far away planets?
huble telescope
How many planets in your whole solar system?
There are eight planets.
How many planets away from the earth is the moon?
No planets away.
How many planets are rocky midgets?
None of the planets are midgets.
Are there any other planets we don't knoe about?
There are many other planets in many other galaxies.
