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Laika the Dog & the First Animals in Space
May 30, 2017 | ReferenceWhat was the first animal in space? The answer may have you buzzing.
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Chuck Yeager: First Person to Break the Sound Barrier
May 30, 2017 | ReferenceChuck Yeager was an American test pilot who was the first person to break the sound barrier — the point where a speeding object (such as an airplane) passes the speed of sound.
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Spacecraft Galileo: To Jupiter and Its Moons
May 25, 2017 | ReferenceGalileo was the first space probe to spend years observing the planet Jupiter and its moons
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Sagittarius Constellation: Facts About the Archer
May 24, 2017 | ReferenceThis large constellation contains the most stars with known planets. It is the 15th largest constellation overall.
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Planet Classification: How to Group Exoplanets
May 20, 2017 | ReferenceWith thousands of exoplanet candidates discovered, astronomers are starting to figure out how to group them in order to describe them and understand them better.
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How Many Stars Are In The Universe?
May 17, 2017 | ReferenceThe exact number of stars is impossible to know because we aren't sure how big the universe is.
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Scorpius Constellation: Facts About the Scorpion
May 16, 2017 | ReferenceThe Scorpius constellation comprises some of the brightest stars in the sky.
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The North Star: Polaris
May 15, 2017 | ReferenceWhat is the North Star? And how do I find it?
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Planet Neptune: Facts About Its Orbit, Moons & Rings
May 12, 2017 | ReferenceNeptune is the farthest planet from the sun and was the first to be predicted before it was discovered.
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The Big Dipper: A Useful Pointer in the Sky
May 12, 2017 | ReferenceThe Big Dipper is an asterism in the constellation Ursa Major. The familiar group of stars serves as a pointer to other locations in the sky.
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