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10 Things to Know about TRAPPIST-1

Scientists recently announced the discovery of seven Earth-like planets in a solar system close to our own. The “sun” of this system is a small, cool star called TRAPPIST-1A. So why all the excitement? Earth-like planets capable of supporting life are rare. Finding one among all the non-habitable planets in our galaxy is a little like…


The Perseids

Each August, the Perseid meteor shower lights up the night skies, but what causes this spectacular display and why is it so predictable? Let’s take a closer look at one of the year’s most spectacular astronomical events. Why are they called the Perseids? When observed from the Earth, meteor showers seem to arise from a radiant, a single…


12 Amazing Facts About Mars

1. Mars is the second smallest planet in our solar system (now that Pluto has gotten the boot). At 4,220 miles wide, it is about half the size of Earth. 2. Mars is home to our solar system’s tallest volcano, Olympus Mons, which rises 13.6 miles from the planet’s surface. 3. Mars has two lumpy…