When ice covers lakes, there is less oxygen to breathe, and most fish sink to the bottom. They remain very quiet but awake. Carp, however, flap their tails to cover themselves with mud and they go to sleep. When the lake ice melts and the oxygen levels rise they awaken.
Seeing stars - What a blast!
Seeing stars - What a blast! There are many different galaxies in outer space
and Andromeda is the farthest one that you can see without a
telescope. It is about 2 million light years away! When astronauts
on the Apollo X travelled in outer space in 1969, they reached the
faster speed ever achieved by humans - 39,896 km per hour. At that
speed, they could travel around the whole Earth in about an
hour! 16 MAY 2000
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