Monday, November 7, 2022

Astronomers find remnants of planets around 10 billion year old stars

Astronomers used data from GAIA, the Dark Energy Survey, and the X-Shooter instrument at the European Southern Observatory to peer at this system. They identified debris from orbiting planetesimals , which are globs of dust and rock which are created during planetary formation.

One of the stars is very red, showing the presence of sodium, lithium, potassium, and perhaps, carbon. The other star is extremely blue, which is caused by its helium and hydrogen atmosphere. The debris around these stars contains metallic elements, which suggest it came from planetary bodies.

Publisher: MSN
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Colorful stars in the Milky Way contain debris of Earth-like planets | Courthouse News Service

(CN) — The GAIA space observatory of the European Space Agency detected two white dwarfs, locating one at 90 light years away from Earth. Astronomers from the University of Warwick noted that, for the most part, these stars were in a normal state of being.

To the astronomers' puzzlement, their study published Friday in Monthly Notices of the Royal Astronomical Society says that one of the dwarfs is unusually blue while the other is the faintest, reddest white dwarf found in the Milky Way.

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Twitter: @courthousenews
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Some Planets Seem to Have a Strange Ability to Make Their Star Age Slower

Astronomers have discovered that the presence of the right-sized planet orbiting its parent fast enough seems to slow the star's aging process.

The effect exoplanets have on the rotation of their host stars is a little tricky to study. If you're looking at one star and one planet, you basically have no way of knowing if the rotation speed has been influenced by the planet at all.

Publisher: MSN
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Planet with density of marshmallow discovered orbiting red dwarf – WHIO TV 7 and WHIO Radio

Scientists have discovered a planet that they said could float in a bathtub if you could get one large enough.

Discovery Alert!📣
A Jupiter-like planet orbits a cool red dwarf star ~580 light-years from Earth in the constellation of Auriga the Charioteer. TOI-3757b is the lowest-density planet ever detected around a red dwarf. It has the density of a MARSHMALLOW.

Publisher: WHIO TV 7 and WHIO Radio
Date: 2022-11-03T14:14:56.892Z
Twitter: @whiotv
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Earth is nice. We want it.





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