A
POTENTIALLY HABITABLE SUPER EARTH HAS BEEN DISCOVERED
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The
universe is too big for us to be the only ones in it. It's just a matter of
knowing where to look, and scientists from NASA's TESS program might have
stumbled across the next clue in this galactic scavenger hunt. The Transiting
Exoplanet Survey Satellite was launched in April of 2019 with the aim of
locating planets in orbit around nearby stars. One of these stars is the
comparatively small GEE-JAY 357. It's about 31 light-years from Earth. It's one
of the closest to Earth! Thanks to TESS, NASA astronomers discovered a planet
orbiting this distant star. And in fact, it’s one of the few whose atmosphere
can be studied by scientists, once they determine if it has one! Other videos
you might like: NASA Has Just Discovered a New Planet! https://www.youtube.com/watch?v=TOGsw...
The Solar System Is Not Like You Think It Is https://www.youtube.com/watch?v=-FvpA...
The Real Size of the Universe (Even a Child Understands) https://www.youtube.com/watch?v=T3T08...
TIMESTAMPS: What is this planet like? 0:27
A
planet that is technically survivable for humans 2:15 Can we
expect any alien visitors? 5:03 Why we
can't see those planets directly 6:57 #planets #space #brightside SUMMARY: -
GEE-JAY 357 b is believed to be about twenty-two percent larger than Earth, and
eleven times closer to its star than Mercury is to the Sun. - Scientists have
discovered planets beyond our solar system before, but GEE-JAY 357-b is one of
the closest to Earth. - Hidden beyond the semi-molten glow of this “hot Earth,”
as astronomers called it, were two more planets. One of them, GEE-JAY 357-d is
just far enough from the star to potentially support life. - Its orbiting
inside its solar system's habitable zone, warm enough to support life, but not
so warm that it ends up charbroiled. - NASA scientists estimate that that
planet has an average temperature of about minus sixty-four degrees. That’s
cold, comparable to the interior of Antarctica. - I wouldn’t expect any alien
visitors for most of the same reasons humans will probably never be visiting
GEE-JAY 357-d for themselves. - If intelligent life developed, there’s no
reason to believe it wouldn’t sooner or later turn its sensory organs to the
stars. That's when the planet's gravity becomes an obstacle. I - Scientists
have estimated that reaching the moon of a planet ten times the size of Earth,
would require almost five hundred thousand tons of fuel to get off the ground.
- It is worth noting that Astronomers haven't yet been able to see any of these
planets directly. The TESS only discovered the massive and hot planet b because
of its silhouette passing in front of the star. - Since c and d never passed
between Earth and GEE-JAY 357 during the month when TESS was able to capture
images of the star, we've only been able to study them indirectly. - The middle
planet, called GEE-JAY 357-c just to make things confusing, didn’t even give us
that. Because of its unusually tilted orbit, this planet never passes between
Earth and its star at all. Music by Epidemic Sound https://www.epidemicsound.com/
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