know life different back and interesting sign real find they
The planet Mars is the closest and most similar planet to Earth. It is very
To find out, scientists need
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From a plane you can see the fields,
The moon is our
The moon hasn’t its own light. It
In fact the moon isn’t as near as it looks. It is three
show receive long somewhere reason similar sign discover other form |
Is there intelligent (有智力的) life on other planets? For years, scientists said “no.” or “we don’t know.” But today this is changing. Seth Shostakovitch and Alexandra Barnett are astronomers (天文学家). They believe intelligent life exists (存在)
Why do Shostakovitch and Barnett think intelligent life exists on other planets? The first
In the past, it was hard to look for
Have beings from space already visited Earth? “Probably not,” says Shostakovitch. “It’s a long way away. However, intelligent beings may contact us in other way, such as radio signals (信号). In fact, they may be trying to communicate with us now, but we don’t have the right tools to
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The moon
Many countries have
These satellites go