Exoplanets

First Evidence Of A Giant Exoplanet Collision

For the first time ever, astronomers think they've discovered an exoplanet that survived a catastrophic collision with another planet. And according to the new research, which was published Feb. 4, in the journal Nature Astronomy, the evidence for...
Related topics: Space, Scientific Discoveries

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Energetic Particles Can Bombard Exoplanets

TRAPPIST-1 is a system of seven Earth-sized worlds orbiting an ultra-cool dwarf star about 120 light-years away. The star, and hence its system of planets, is thought to be between five-to-ten billion years old, up to twice as old as our own solar...
Related topics: Space

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Aluminum May Be Key To Making Exosolar Systems With Water Worlds

Enlarge / Should we expect all the planets of an exosolar system to have similar levels of water? (credit: NASA/JPL-Caltech) Mini-Neptunes. Super-Earths. There's a huge diversity of exoplanets out there, many of them unlike anything we have in our...
Related topics: Space, NASA

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Kepler Planet-hunting Telescope Goes Dark After Sending Last Light Image

After a ten year career of discovering exoplanets and gathering the most detailed ever view of a dying star, NASA's Kepler spacecraft has sent its final image back to Earth. This "last light" image draws its remarkable journey to a close. The post...
Related topics: Space, Telescopes, NASA, Spacecrafts

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Nasa Visualization Tool Adds Virtual Tour Of Lava World 55 Cancri E

NASA’s Exoplanet Exploration Program has added a new experience enabling the public to tour an exoplanet that has lava oceans. The new 360-degree experience centers on 55 Cancri e, which has also received its own Exoplanet Travel Bureau...
Related topics: NASA, Space, Lava

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Scientists Analyze Mysterious Origin Of Exoplanet Made Of Iron

Recently discovered Kepler-107b and Kepler-107c might offer a unique insight into how worlds are formed, as these two exoplanets, while having almost identical radii of 1.5 and 1.6 Earth radii, have densities that are over twice as different.
Related topics: Scientific Discoveries

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Two Newly-discovered Exoplanets Are Probably The Result Of A Catastrophic Collision

How can two planets so similar in some respects have such different densities? According to a new study, a catastrophic collision may be to blame. In our Solar System, all the inner planets are small rocky worlds with similar densities, while the...
Related topics: Scientific Discoveries, Space

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'hot Jupiter' Exoplanets May Be Born Uncomfortably Close To Their Stars

Today, astronomers have numerous extrasolar systems to study, but most look very different from our own. Determining how these solar systems — and ours — formed is challenging. New research presented at the 233rd Meeting of the American...
Related topics: Jupiter, Space

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The Disintegrating Exoplanet K2-22b

Exoplanet surveys have yielded many surprises over the years, and the discovery of "disintegrating" exoplanets was one of them. These are planets that produce asymmetric shapes in the dips of the light curves seen as they transit across the faces of...
Related topics: Scientific Discoveries, Space

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This Huge Planet Close To Earth Could Be Hiding Strange Forms Of Life

There’s a rocky exoplanet out there called Barnard B that is likely a frozen wasteland and yet… astronomers say life may still exist on it.        
Related topics: Space

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Tess Telescope Has Found Eight New Planets, Six Supernovae

The Kepler program closed down in August, 2018, after nine and a half years of observing the universe.Picking up where it left off, the Transiting Exoplanet Survey Satellite (TESS) has already found eight planets, three of which scientists are very...
Related topics: Telescopes, Space, Polls, Satellites

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Mysterious Blobs Around M-dwarf Stars May Be Bad News For Alien Life

The sort of small, young, active stars that have become most exciting to astronomers looking for exoplanets may actually push away precisely what could be necessary to carry water to those planets — leaving them too dry to support life.
Related topics: Space

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Tess Finds Its Third Planet, A Sub-neptune With A 36-day Orbit

After only three months of operation, NASA’s TESS (Transiting Exoplanet Survey Satellite) spacecraft is delivering on its mission to find more exoplanets. A new paper presents the latest finding: a sub-Neptune planet with a 36-day orbit around...
Related topics: Space, Neptune, NASA, Polls, Satellites, Spacecrafts

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Citizen Scientists Help Find Super-earth Exoplanet

Using data from NASA’s retired Kepler space telescope, citizen scientists discovered a previously unknown planet about twice the size of Earth. It remains unclear whether the new world, known as K2-288Bb, is rocky […] The post Citizen...
Related topics: NASA, Space, Telescopes, Scientific Discoveries

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Rare-sized Exoplanet Discovered By Citizen Scientists In Old Kepler Data

Citizen scientists have come across a previously unknown exoplanet floating a mere 226 light-years from Earth in the Taurus constellation (“The Bull”). Dubbed K2-288Bb, the newfound was discovered in old data from NASA’s Kepler...
Related topics: Scientific Discoveries, Constellations, NASA, Space

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Nasa Satellite Discovers 'cool' Neptune-like Exoplanet

The new find is among three new planets and six supernovae outside our solar system that have been observed by NASA’s planet-hunting TESS mission in its first three months.
Related topics: NASA, Space, Satellites, Neptune

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Nasa’s New Planet Hunter Tess Finds Exoplanet 3x The Size Of Earth

NASA’s new planet-hunter, TESS, found an exoplanet that is three times the size of Earth and only 53 light-years away.        
Related topics: NASA, Space

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These Exoplanets Are Forever Half Dark And Covered In Clouds

Cloudy Hot Jupiters "Hot Jupiters" exoplanets that resemble our own Jupiter, except for being, well, hot, have another side to them. We mean this literally: The planets usually don't rotate, so one side is always facing their star, and the other...
Related topics: Jupiter, Space

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Astronomy Cast Ep. 512: Direct Imaging Of Exoplanets

Finding planets is old news, we now know of thousands and thousands of the places. But the terrible irony is that we can only see a fraction of the planets out there using the traditional methods of radial velocity and transits. But the new...
Related topics: Space, Telescopes

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Nature's Magnifying Glass Reveals Unexpected Intermediate Mass Exoplanets

Astronomers have found a new exoplanet that could alter the standing theory of planet formation. With a mass that's between that of Neptune and Saturn, and its location beyond the "snow line" of its host star, an alien world of this scale was...
Related topics: Space, Neptune, Saturn

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