Making It Real — First-Ever Picture Of A Black Hole!

  After Einstein predicted black holes more than a century ago, we finally got a look at one today. When the first photo was revealed at today’s press conference in Brussels, I was surprised at how familiar it looked. Exactly as the models had predicted, here was a dark nothing surrounded by a thick disk…
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7 Nights With The Moon — An Easy Guide

In honor of this being the 50 year anniversary of Apollo 11, when people first walked on the moon, I thought it would be fun to get to know our satellite better. So I prepared a 7-night guide featuring one or two features visible with the naked eye or binoculars. Every one of them is…
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Stunning Artificial Aurora Lights Up Norwegian Skies

If you were skeptical about UFOs, you might have come away a believer on April 5. Early that morning, the Andøya Space Center in Norway launched two sounding rockets high into the ionosphere. As the rockets unloaded powdered trimethyl aluminum and a barium-strontium mix at an altitude of 200 miles (320 km), it quickly lit…
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Curiosity Captures Sunset Eclipse And More On Mars

NASA’s Curiosity rover whipped out its eclipse glasses over the last few weeks to capture these amazing images of the moons Phobos and Deimos eclipsing the sun. The rover snapped pictures Phobos, the larger of the two planet’s moons at 16 miles (26 km) across, on March 26. Deimos (10 miles / 16 km) had its day…
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Spring Stars Bring A Fresh Perspective To April Nights

April nights brings many new constellations into view as Sirius, Orion, Taurus and the Pleiades nod off in the west. That good old winter foursome remains one of my favorite sights. This time of year they’re all level with each another at the end of twilight, forming a gigantic asterism across the southwestern and western…
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