These children’s outer space coloring pages are filled with fun, cute and magical things. These images are completed with fun illustrations and games of planets, astronauts, spaceships, aliens, meteorites, and more.
Nobody can hear you scream in space. That’s because there is no air in space: it is a vacuum. Sound waves cannot travel through a vacuum.
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Outer space’ begins 100 km away from Earth, where the shell of air that envelops our planet disappears.
Without air to scatter sunlight and produce a blue sky, space looks like a black canvas dotted with stars.
Space is usually thought of as empty, but that is not true. The vast stretches between stars and planets are filled with enormous amounts of gas and dust, scattered almost imperceptibly.
Even the emptiest parts of space contain at least a few hundred atoms or molecules per cubic meter.
Space is also filled with various forms of radiation dangerous to astronauts. Much of this infrared and ultraviolet radiation comes from the Sun.
From distant star systems come X-rays, gamma rays, and cosmic rays (particles traveling at near the speed of light) with a lot of energy.