A space explorer is a person or a spacecraft that travels to and explores space. It can refer to astronauts who travel into space to study and explore celestial bodies, such as planets, moons, stars, galaxies, and other objects in the universe. It can also refer to spacecraft, like probes or rovers, which are sent to space to collect data and conduct scientific research.
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Asteroids are small, rocky objects that orbit the Sun. Although asteroids orbit the Sun like planets, they are much smaller than planets.
An asteroid is a small rocky object that orbits the Sun.
A meteor is what happens when a small piece of an asteroid or comet, called a meteoroid, burns up upon entering Earth’s atmosphere. Read on to find out more and learn the difference between asteroids and comets, meteoroids and meteorites, and more!.
A meteor is a space rock—or meteoroid—that enters Earth's atmosphere. As the space rock falls toward Earth, the resistance—or drag—of the air on the rock makes it extremely hot. What we see is a "shooting star." That bright streak is not actually the rock, but rather the glowing hot air as the hot rock zips through the atmosphere. When Earth encounters many meteoroids at once, we call it a meteor shower.
We launch things into space by putting them on rockets with enough fuel — called propellant — to boost them above most of Earth’s atmosphere. Once a rocket reaches the right distance from Earth, it releases the satellite or spacecraft.
A space explorer is a person or a spacecraft that travels to and explores space. It can refer to astronauts who travel into space to study and explore celestial bodies, such as planets, moons, stars, galaxies, and other objects in the universe.
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