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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