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A Supernova 2.6 Million Years Ago Could Have Wiped Out the Ocean’s Large Animals

For many years, scientists have been studying how supernovae could affect life on Earth. Supernovae are extremely powerful events, and depending on how close they are to Earth, they could have consequences ranging from the cataclysmic to the inconsequential. But now, the scientists behind a new paper say they have specific evidence linking one or …

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Finally! Voyager 2 is Now in Interstellar Space

The Voyager 2 recently crossed the outer boundary of the heliosphere, where it joins the Voyager 1 spacecraft in interstellar space

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Get Ready for the 2018 Geminid Meteors

When it comes to meteor showers, the calendar year always seems to save the best for last. We're referring to the Geminid meteor shower, one of the sure fire bets for dependable meteor showers. In fact, in recent years, the Geminids have been upstaging that other yearly favorite: the August Geminids.

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InSight Uses its Seismometer to “Hear” the Sound of Wind on Mars

The InSight lander recently used two its instruments to record vibrations caused by Martian wind, effectively capturing what it sounds like on the surface of Mars.

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OSIRIS-REx Has Already Found Water on Bennu

NASA’s OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer) has found water on the asteroid Bennu. Bennu is OSIRIS-REx’s only target, and though the spacecraft arrived at the asteroid on December 3rd, some of its instruments have been trained on the asteroid since mid-August. And two of those instruments detected water on Bennu. OSIRIS-REx wasn’t …

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Carnival of Space #590

Welcome to the 590th Carnival of Space! The Carnival is a community of space science and astronomy writers and bloggers, who submit their best work each week for your benefit. We have a fantastic roundup today so now, on to this week’s worth of stories! Chandra X-Ray Observatory Blog Double Trouble: A White Dwarf Surprises …

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A Rapid Rise in Temperature Led to the Worst Extinction in our Planet’s History

Everyone knows about the extinction of the dinosaurs. A cataclysmic asteroid strike about 66 million years ago (mya) caused the Death of the Dinosaurs. But there’ve been several mass extinctions in the Earth’s history, and they didn’t involve killer asteroids. The worst extinction was caused by a rapid rise in temperature. Earth’s most severe extinction …

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Mercury-Bound BepiColombo is About to Start Using the Most Powerful Ion Engines Ever Sent to Space

A handful of spacecraft have used ion engines to reach their destinations, but none have been as powerful as the engines on the BepiColombo spacecraft. BepiColombo is a joint mission between the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA.) It was launched on October 20, 2018, and has gone through weeks …

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