Astronomers Might Have Seen a Star Just Disappear. Turning Straight to a Black Hole Without a Supernova

   9 hours ago  |  Universe Today

A brilliant blue star has disappeared from view, which could mean it became a black hole in a novel way.
The post Astronomers Might Have Seen a Star Just Disappear. Turning Straight to a Black Hole Without a Supernova appeared first on Universe Today.

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It Was Almost Certainly an Asteroid Impact that Wiped Out the Dinosaurs. In Fact, Volcanoes Might Have Helped Life Recover

   03 Jul 00:00:21  |  Universe Today

It seems almost certain that an asteroid impact wiped out the dinosaurs. But only almost. Another competing theory won’t completely go away: the extinction-by-volcano theory. A new study from the UK piles more evidence on the asteroid side of the debate, while adding a new volcanic twist. These researchers say that volcanic activity actually helped …
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Weekly Space Hangout: July 1, 2020 ? Dr. Andrew Siemion, Director of Berkeley SETI Research Center

   03 Jul 00:00:21  |  Universe Today

This week we are pleased to welcome Dr. Andrew Siemion, Director of the Berkeley SETI Research Center, to the WSH. As an astrophysicist, Andrew’s research interests include high energy time-variable celestial phenomena, astronomical instrumentation and the search for extraterrestrial intelligence (SETI). He is also the Principal Investigator for the Breakthrough Listen program. Andrew received his …
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Here?s How Perseverance?s Helicopter Sidekick Will Deploy on Mars

   02 Jul 00:00:16  |  Universe Today

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Complete and Total Mayhem in a Distant Galaxy Collision

   02 Jul 00:00:16  |  Universe Today

A cluster of galaxies is nothing trivial. The shocks, the turbulence, the energy, as all of that matter and energy merges and interacts. And we can watch all the chaos and mayhem as it happens. A team of astronomers are looking at the galaxy cluster Abell 2255 with the European Low-Frequency Array (LOFAR) radio telescope, …
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Comet F3 NEOWISE May Perform in July

   01 Jul 00:00:04  |  Universe Today

Watch for comet C/2020 F3 NEOWISE at dusk in late July... if it survives perihelion.
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Rovers Will be Starting to Make Their Own Decisions About Where to Search for Life

   01 Jul 00:00:04  |  Universe Today

We all know how exploration by rover works. The rover is directed to a location and told to take a sample. Then it subjects that sample to analysis and sends home the results. It’s been remarkably effective. But it’s expensive and time-consuming to send all this data home. Will this way of doing things still …
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Deep Down in Ocean Worlds, it?s Difficult to Tell Where the Oceans End and the Rock Begins

   30 Jun 00:00:15  |  Universe Today

We all know what water is. And what rock is. The difference is crystal clear. Well, here on Earth it is. But on other worlds? The difference might not be so clear. Among the hundreds of billions of stars in the Milky Way are who-knows-how-many exoplanets. Some number of them will be ocean worlds, completely …
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Do Hot Jupiters Form Close in, or Do They Migrate? A Newly-Discovered Planet Might Help Answer This

   30 Jun 00:00:15  |  Universe Today

The recent discovery of a very young gas giant could offer clues about how "Hot Jupiters" form and whether or not they migrate over time.
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