Are we alive
how do you know
water
food
There is an atmosphere
PLANETS
Mars
cold
no atmosphere
gas
ash from volcanoes
may have had simple live forms in teh past before water evaporated
no water now
What is a moon
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Other planets
about 2000 other planets
Plants put oxygen back in teh atmosphere
Moon has helped us maintain a climate for life
One signal ever picked up. CAlled the WOW signal. They indicated a signal from a location in space. They have never found any more to support this.
Spaceships have travelled out of our atmosphere. They send signals
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what is a supermoon? When the moon is closer to the earth and full it looks huge. It is a supermoon.
Blue Moon doesn't happen often
Why can't we see the stars? The light from teh sun hides the light from any other stars. Stars are very bright. They are brighter than the sun. Our eyes get more sensitive in teh dark and we can see more.
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