What makes a planet, a planet?
A ninth planet? Astronomer Rob Cockcroft has heard it all before.
Space Exploration
Jan 25, 2016
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18
News tagged with brown dwarfs
Related topics:
astrophysical journal
Star is discovered to be a close neighbor of the Sun and the coldest of its kind
(Phys.org) —A "brown dwarf" star that appears to be the coldest of its kind—as frosty as Earth's North Pole—has been discovered by a Penn State University astronomer using NASA's Wide-field Infrared Survey Explorer ...
Astronomy
Apr 25, 2014
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One trillion kilometres apart—a lonely planet and its distant star
A team of astronomers in the UK, USA and Australia have found a lonely planet, until now thought to be a free floating or lonely planet, in a huge orbit around its star. Incredibly the object, designated as 2MASS J2126, is ...
Astronomy
Jan 26, 2016
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1599
A very rare discovery: Failed star orbits a dead star every 71 minutes
An international team of astronomers using data from the rejuvenated Kepler space telescope have discovered a rare gem: A binary system consisting of a failed star, also known as a brown dwarf, and the remnant of a dead star ...
Astronomy
Jun 9, 2017
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576
Newly discovered celestial object defies categories
An object discovered by astrophysicists at the University of Toronto (U of T) nearly 500 light years away from the Sun may challenge traditional understandings about how planets and stars form.
Astronomy
Jan 8, 2014
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The seven most extreme planets ever discovered
Scientists recently discovered the hottest planet ever found – with a surface temperature greater than some stars. As the hunt for planets outside our own solar system continues, we have discovered many other worlds with ...
Astronomy
Jun 12, 2017
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65
New faint, distant and cold brown dwarf discovered
Using the James Webb Space Telescope (JWST), an international team of astronomers have detected a new faint, distant, and cold brown dwarf. The newly found object, designated GLASS-JWST-BD1, turns out to be about 31 times ...
NASA's Kepler witnesses vampire star system undergoing super-outburst
NASA's Kepler spacecraft was designed to find exoplanets by looking for stars that dim as a planet crosses the star's face. Fortuitously, the same design makes it ideal for spotting other astronomical transients—objects ...
Astronomy
Jan 24, 2020
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1396
Hubble applauds waltzing dwarfs
This seemingly unspectacular series of dots with varying distances between them actually shows the slow waltz of two brown dwarfs. The image is a stack of 12 images made over the course of three years with the NASA/ESA Hubble ...
Astronomy
Jun 9, 2017
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Record-breaking photo reveals a planet-sized object as cool as the Earth
(PhysOrg.com) -- The photo of a nearby star and its orbiting companion -- whose temperature is like a hot summer day in Arizona -- will be presented by Penn State Associate Professor of Astronomy and Astrophysics Kevin Luhman ...
Astronomy
Oct 19, 2011
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