NASA's Big Announcement: 7 Earth-Like Planets Orbit One Nearby Star - Wrestling Forum : WWE, TNA, Indy Wrestling, Lucha Underground, Women of Wrestling Forums

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post #1 of 21 (permalink) Old 02-22-2017, 05:58 PM Thread Starter
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NASA's Big Announcement: 7 Earth-Like Planets Orbit One Nearby Star

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A SOLAR SYSTEM THAT LOOKS LIKE JUPITER

TRAPPIST-1 is technically an ultracool dwarf star. This dim little star has only 8 percent of the mass of the sun, and temperatures are estimated around 2,550 Kelvin compared to 3,800 Kelvin for other red dwarfs and a scorching 5,800 Kelvin for our sun. In fact, TRAPPIST-1 is only slightly bigger than Jupiter.

Fortunately, the seven planets around TRAPPIST-1 orbit much closer to their host star than we do. The star's inner planets have orbits that resemble Jupiter's Galilean moons. All seven orbit much closer to TRAPPIST-1 than even Mercury orbits the sun, allowing them to receive about the same amount of energy and heat as the Earth.

The planets also pass very close to each other as they orbit. According to NASA: "If a person was standing on one of the planet's surface, they could gaze up and potentially see geological features or clouds of neighboring worlds, which would sometimes appear larger than the moon in Earth's sky."

Some of the planets are more optimally positioned to support liquid water than others. The star has been dubbed TRAPPIST-1A, and the planets, from innermost to outermost, are 1b, 1c, 1d, 1e, 1f, 1g, and 1h. TRAPPIST-1b, 1c, and 1d are probably too close and too hot for water. TRAPPIST-1h is probably too far away and too cold. But TRAPPIST-1e, 1f, and 1g are right in the middle of that Goldilocks Zone. For all we know they are veritable paradise worlds with rolling oceans and sprawling forests. (Okay, probably not, but it's not impossible.)

That said, we know very little about these planets, almost nothing beyond estimates for their size, distance from the host star, and orbital periods. We can detect exoplanets when they transit their host stars, meaning they move in front of the star from our perspective and block some of the light that reaches our telescopes. From the resulting dip in the star's brightness, we can deduce the presence of planets and even their size.
COMPLETE ARTICLE HERE





I'm obessed with life on other planets and this is absolutely fascinating

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post #2 of 21 (permalink) Old 02-22-2017, 06:09 PM
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Re: NASA's Big Announcement: 7 Earth-Like Planets Orbit One Nearby Star

Cool stuff.

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post #3 of 21 (permalink) Old 02-22-2017, 06:39 PM
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Re: NASA's Big Announcement: 7 Earth-Like Planets Orbit One Nearby Star

They found this but still can't find planet x/9?
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post #4 of 21 (permalink) Old 02-22-2017, 07:10 PM
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Re: NASA's Big Announcement: 7 Earth-Like Planets Orbit One Nearby Star

Been looking forward to this announcement for a little while!



This solar system is only forty light years away... Which means that it would still take you approximately forty million years to get to... Nevertheless...



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post #5 of 21 (permalink) Old 02-22-2017, 07:25 PM
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Re: NASA's Big Announcement: 7 Earth-Like Planets Orbit One Nearby Star

When I first heard that NASA had a huge announcement, I immediately thought they were going to announce that they finally found the Predator.

Fuck NASA for letting me down and wasting my time.

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post #6 of 21 (permalink) Old 02-22-2017, 07:57 PM
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Re: NASA's Big Announcement: 7 Earth-Like Planets Orbit One Nearby Star

Fascinating. The wonders and mysteries of space will never fail to intrigue me. The sheer power of our telescopes these days are truly remarkable. Will they discover extraterrestrials during my lifetime?

Quote:
Originally Posted by DesolationRow View Post
Which means that it would still take you approximately forty million years to get to.
I was born too late to explore the Earth, and born too early to explore Space.

Rest in peace Mr. Paxton.
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post #7 of 21 (permalink) Old 02-22-2017, 08:01 PM
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Re: NASA's Big Announcement: 7 Earth-Like Planets Orbit One Nearby Star

Really cool news. And fascinating that there are so many planets in the right zone. It's a shame it's still an impossible distance away for us. Some day I'm sure we'll figure it out.

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post #8 of 21 (permalink) Old 02-22-2017, 08:21 PM
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Re: NASA's Big Announcement: 7 Earth-Like Planets Orbit One Nearby Star

The only nasa announcement i wana hear is the one where they finally man up and say

IT WUZ ALIENS

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post #9 of 21 (permalink) Old 02-22-2017, 08:28 PM
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Re: NASA's Big Announcement: 7 Earth-Like Planets Orbit One Nearby Star

The idea of space in general and life on other planets always fascinates me. I used to have this huge 4 by 3 hard covered book with huge drawings and facts about each planet as a kid

This really seems likely that life in some form might very well be closer than we originally thought. I think the fact that one side of all these planets are in constant darkness while the other is in constant sunlight does complicate things though.

Can't wait for more updates on if they find Oxygen on the planet, as well as other elements like Carbon!
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post #10 of 21 (permalink) Old 02-22-2017, 08:30 PM
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Re: NASA's Big Announcement: 7 Earth-Like Planets Orbit One Nearby Star

I was expecting to hear that an emergency plan to divert an Earth killing asteroid had failed and to take shelter.



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