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Beagle 2 – Lost and Found
On Christmas day 2003 a British-European space probe called Beagle 2 was lost on Mars and never heard from. It was not only small, but possibly broken and scattered while attempting to land. Since Mars is quite big, it took eleven years to find the little lander, and there were some surprises.
Big Bang Theory
How did our universe come to be? The Big Bang theory is the explanation that most scientists currently accept. Let's look at what we mean by a theory, what the Big Bang story is and why it's not as crazy as sounds.
Blood Moons and Lunar Tetrads
A tetrad of Blood Moons sounds very dramatic. It could even be the title of a fantasy novel. But what is a “Blood Moon”? What is a lunar tetrad? And is it as apocalyptic as it sounds? Have a look.
Bode and Bode's Law
Johann Elert Bode, the author of the greatest star atlas of the Golden Age of star atlases, is better known today for Bode's Law. Strangely, Bode's Law is neither a law nor original to Bode. So what was it? How did it inspire the Celestial Police? How did Neptune ruin it all?
Boötes the Herdsman
This ancient constellation contains black holes as massive as a billion Suns, extrasolar planets and a meteor shower acquired from an extinct neighbor. Its brightest star, a red giant 25 times the diameter of the Sun, is a sign that spring is here.
Buying Astronomy Presents - for Adults
If you have someone interested in astronomy amongst your friends or family, there is a wide range of gift possibilities. Here are some suggestions as to what to look for and where you might find it.
Cancer the Crab
Cancer the crab scuttles across the late winter sky, well away from its nemesis Hercules. Cancer is a zodiac constellation, the Tropic of Cancer is named for it, and it has existed for over three thousand years. Yet it seems to be a dim and unremarkable constellation. Why all the attention?
Captured Moon - Triton Facts for Kids
Neptune's big moon Triton was nameless for over a hundred years after its discovery. And it was so far away that astronomers knew almost nothing about it. Then Voyager 2 visited and saw active ice volcanoes on a moon that is probably a cousin to Pluto.
Caroline Herschel was an intelligent young woman trapped in domestic servitude by her mother. Her brother William rescued her and trained her as a singer. After he discovered the planet Uranus, the two of them ended up forming a great partnership whose work revolutionized the study of astronomy.
Carrington Event – Biggest Solar Storm on Record
Dazzling aurorae filled the skies. Birds thought it was morning, people thought the world was ending. The telegraph didn't work. But strangely, sometimes the telegraph operators could send messages without a power supply. This was the Carrington Event, the biggest solar storm ever recorded.
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