179121479125786First_Children__s_Encyclopedia

(Kaasyap Sai) #1

What is space?


Curiosity quiz


Look through The


Universe section and see


if you can identify the


pictures below.


Why is space so dark?
Space is black because
there is nothing there
to reflect light. From
space, Earth looks
lit up because
light from our Sun
reflects off sea,
and land, and the
particles in our
atmosphere.

American astronaut
Michael Gernhardt
went on four separate
space missions, and
spent more than
23 hours walking
around in space.


Experts believe it’s just under 14 BILLION years old.^269


Become


an expert


274-275 Milky
Way

276-277 Rockets

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