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Astronomers Identify a New Super-Earth They Say Could Be Habitable
Amaze Lab
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2/6/2024
TOI-715b is a recently discovered exoplanet orbiting very close to its host star. Astronomers say it’s a Super-Earth, one that is around 1.55 times the size of our planet and it could be habitable.
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00:00
[Music]
00:03
This is an artist's rendering of a planet which is relatively nearby,
00:07
called TOI-715b.
00:09
Astronomers say it's a super-Earth,
00:11
one that is around 1.55 times the size of our planet,
00:15
and it's orbiting a red dwarf star.
00:17
However, the most interesting thing about the planet
00:19
is that experts say it could be habitable.
00:22
The planet resides only around 137 light-years away,
00:25
orbiting a star that is only around 25% the size
00:29
and mass of our Sun.
00:30
That means that despite its relative proximity to its system's central star,
00:34
with a year on TOI-715b only lasting 19 days,
00:38
life might still be able to survive there,
00:40
as its central star gives off far less heat and radiation than our own.
00:44
A planet which orbits in a habitable zone
00:46
means it's less likely to have had all of its water and atmosphere burned away,
00:49
that is, if it ever had those.
00:51
And this one will be of great interest to astronomers
00:53
because it's so close to us,
00:55
and because it circles the red dwarf star so closely.
00:57
Exoplanets are often identified
00:59
because of the light they block while transiting their host star,
01:02
meaning once every 19 days,
01:04
we can catch a glimpse and study it more closely.
01:06
Experts say this should allow for more detailed transmission spectroscopy,
01:10
allowing us to see what the planet is made of
01:12
and whether life might just be living there.
01:15
[Music]
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