...Space Facts VISTA telescope image of the Helix Nebula about 700 light years away. (ESO/VISTA/J. Emerson Cambridge Astronomical Survey Unit cc3.0) Quick Facts Stars are balls of heated gas called plasma. These particles are held together by gravity, the same force that...
...Space Facts Quick Facts A black hole is a region of space which has such strong gravity that nothing can escape it – not even the fastest thing in the galaxy – light! Black holes are born when huge stars die...
...Space Facts Quick Facts Comets are icy objects that orbit the sun. When they get close to the sun, they heat up and the solar wind gives them an atmosphere (called a coma), as well as a tail, making them...
...Space Facts Quick Facts The region of the Solar System beyond the planets or specifically beyond the orbit of Neptune is called the Kuiper Belt. It consists of small bodies that remained after the planets were formed. Since the discovery of...
...Space Facts Quick Facts When Pluto was discovered in 1930, it was considered the ninth planet in the Solar System. In 2006, however, it was reclassified as the first dwarf planet. Makemake (an artist's impression from NASA is shown above) was...
...Space Facts Quick Facts The asteroid belt is a region in space between the orbits of Mars and Jupiter, occupied by numerous asteroids. It is a region similar to the Kuiper Belt, which lies beyond Neptune, but much smaller. Ceres is...
...Space Facts Quick Facts Neptune is the farthest planet from the Sun. As a result, it takes 165 Earth years for Neptune to make a complete orbit around the Sun. Neptune has a cluster of dark spots on its surface similar...
...Space Facts Quick Facts Uranus is named after the Greek god of the sky, Ouranus. It is the only planet to be named after a Greek god rather than a Roman god. Uranus has the coldest atmosphere of any planet in...
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