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Post by Lavochkin on Jan 12, 2020 20:38:51 GMT
"Riding Light - Traversing the Solar System at the speed of light"
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Post by Alfonsedode on Jan 13, 2020 9:14:05 GMT
Ah, fusion. Always a technology that will change our lives 30 years from now. 30 years ago, it was superconductors
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Post by skekSil on Jan 13, 2020 16:57:36 GMT
Ah, fusion. Always a technology that will change our lives 30 years from now. 30 years ago, it was superconductors Fusion has always been 20-30 years away in future.
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Beerfish
N7
Little Pumpkin
Games: Mass Effect Trilogy, Dragon Age: Origins, Dragon Age 2, Dragon Age Inquisition, KOTOR, Baldur's Gate, Neverwinter Nights, Mass Effect Andromeda, Anthem, Mass Effect Legendary Edition
Origin: Beerfish
XBL Gamertag: Beerfish77
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Post by Beerfish on Feb 4, 2020 0:37:04 GMT
China builds a hospital in a week. Who knows how well it is built but impressive none the less. Here in Canada it takes years and years to build anything of note of that size.
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N3
Played Anthem finally. So... yeah.
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Played Anthem finally. So... yeah.
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Post by mannyray on Feb 4, 2020 20:22:23 GMT
China builds a hospital in a week. Who knows how well it is built but impressive none the less. Here in Canada it takes years and years to build anything of note of that size. It's an emergency structure to contain a potential pandemic, not quite the same thing as building a more permanent medical center.
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Post by frosted on Feb 4, 2020 22:52:52 GMT
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Post by B. Hieronymus Da on Feb 9, 2020 12:23:54 GMT
I'm not an astronomer, but Anton Petrov's YT channels has always seemed worthwhile to me.
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Post by Lavochkin on Feb 16, 2020 10:44:28 GMT
Size comparison with large asteroids and NYC.
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mousestalker
Inactive Moderator
ღ The Untitled
Just here for the cosplay
Staff Mini-Profile Theme: Mousestalker
Games: Mass Effect Trilogy, Dragon Age: Origins, Dragon Age 2, Dragon Age Inquisition, Baldur's Gate, Neverwinter Nights, Jade Empire, Mass Effect Andromeda, SWTOR
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Post by mousestalker on Feb 25, 2020 20:59:21 GMT
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Post by frosted on Feb 26, 2020 1:40:29 GMT
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coffee coffee coffee coffee coffee coffee coffee coffee coffee coffee coffee coffee
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Post by regack on Feb 26, 2020 19:18:51 GMT
Earth has acquired a brand new moon that's about the size of a carOur new moon is probably between 1.9 and 3.5 metres across, or roughly the size of a car, making it no match for Earth’s primary moon. It circles our planet about once every 47 days on a wide, oval-shaped orbit that mostly swoops far outside the larger moon’s path.
The orbit isn’t stable, so eventually 2020 CD3 will be flung away from Earth.
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mousestalker
Inactive Moderator
ღ The Untitled
Just here for the cosplay
Staff Mini-Profile Theme: Mousestalker
Games: Mass Effect Trilogy, Dragon Age: Origins, Dragon Age 2, Dragon Age Inquisition, Baldur's Gate, Neverwinter Nights, Jade Empire, Mass Effect Andromeda, SWTOR
Posts: 12,116 Likes: 30,354
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Post by mousestalker on Feb 26, 2020 19:46:08 GMT
Obligatory Jno. R Neill picture:
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Post by Lavochkin on Mar 5, 2020 23:34:11 GMT
Vid showing what a drain unclogging fluid does to organic matter like hair.
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Unapologetic Western Chauvinist. Barefoot. Great Toenails
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Post by B. Hieronymus Da on Mar 6, 2020 17:50:45 GMT
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Post by Lavochkin on Mar 16, 2020 3:50:53 GMT
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Post by Sifr on Mar 17, 2020 5:04:06 GMT
For a second there, I thought Elon Musk was at his old tricks again.
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Beerfish
N7
Little Pumpkin
Games: Mass Effect Trilogy, Dragon Age: Origins, Dragon Age 2, Dragon Age Inquisition, KOTOR, Baldur's Gate, Neverwinter Nights, Mass Effect Andromeda, Anthem, Mass Effect Legendary Edition
Origin: Beerfish
XBL Gamertag: Beerfish77
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https://bsn.boards.net/user/314/personal
Mass Effect Trilogy, Dragon Age: Origins, Dragon Age 2, Dragon Age Inquisition, KOTOR, Baldur's Gate, Neverwinter Nights, Mass Effect Andromeda, Anthem, Mass Effect Legendary Edition
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Post by Beerfish on Apr 11, 2020 20:36:38 GMT
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Post by Deleted on Apr 11, 2020 22:57:16 GMT
"Riding Light - Traversing the Solar System at the speed of light" Slightly different, but this reminds me of this video from Cool Worlds (a great Youtube channel, by Columbia/Cool Worlds lab physicist David Kipping)- The idea is travelling first to Alpha Centauri, then to the nearest spiral arm of the MW, then to the edge of the galaxy, then to the edge of the observable universe, in a spacecraft that was constantly accelerating, arbitrarily close to the speed of light, and what that would look/be like travelling at that speed. Good/fun video.
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Post by Deleted on Apr 14, 2020 14:34:17 GMT
Another Cool Worlds video, this channel is criminally underappreciated. This one's on exo-moon detection strategies:
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Obadiah
N5
Games: Mass Effect Trilogy, Dragon Age: Origins, Dragon Age 2, Dragon Age Inquisition, KOTOR, Baldur's Gate, Neverwinter Nights, Mass Effect Andromeda, SWTOR, Anthem
Origin: Obadaya
XBL Gamertag: ObadiahPearce
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Science!
Apr 19, 2020 20:39:12 GMT
via mobile
Post by Obadiah on Apr 19, 2020 20:39:12 GMT
Just found out from "How the Universe Works" that because of the expansion of the universe, some galaxies are tehnically moving away from us faster than the speed of light, and no spaceship we build could ever reach them.
Great, more bad news for 2020!
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Post by Deleted on Apr 20, 2020 0:05:39 GMT
Just found out from "How the Universe Works" that because of the expansion of the universe, some galaxies are tehnically moving away from us faster than the speed of light, and no spaceship we build could ever reach them. Great, more bad news for 2020! That's a solid show, I wish the Science channel had more shows like that. And this is a bit of a mindfuck. You've heard of an event horizon, like of a black hole? The boundary, past which, light can never reach a distant observer (because it can't escape the BH's gravity)? There is also a cosmic event horizon, and its what you're talking about here- its the boundary in space, past which, light will never be able to reach us... because the space between us and the origin of the light is expanding faster than the speed of light. An even worse consequence of this is that in the very (very, very, very) distant future, every other galaxy besides our own local supercluster will have passed beyond our cosmic event horizon. So some future civilization living in our galaxy would not be able to observe any other galaxies, and so would have zero observational/empirical evidence that other galaxies beside their own local group even exists at all. We will be our own isolated little "island" universe. That's... extremely depressing. Thankfully, we're talking about the extremely distant future (some 150+ billion years from no), so no imminent worries. But we are living in a special time in the universe, where we can see not only other galaxies, but can still see the cosmic microwave background radiation and so can trace the cosmic history of the universe.
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Post by skekSil on Apr 20, 2020 23:10:17 GMT
So some future civilization living in our galaxy would not be able to observe any other galaxies, and so would have zero observational/empirical evidence that other galaxies beside their own local group even exists at all. We will be our own isolated little "island" universe. And because of that they wont be able to determine that our Universe is expanding and so wont be able to come up with the Big Bang theory of their own. They will be forever stuck on the 19th century level of cosmology.
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Post by Deleted on Apr 21, 2020 0:04:56 GMT
So some future civilization living in our galaxy would not be able to observe any other galaxies, and so would have zero observational/empirical evidence that other galaxies beside their own local group even exists at all. We will be our own isolated little "island" universe. And because of that they wont be able to determine that our Universe is expanding and so wont be able to come up with the Big Bang theory of their own. They will be forever stuck on the 19th century level of cosmology. Yep exactly! They won't be able to detect the CMB, and so they won't have the crucial evidence for the hot Big Bang, and they won't be able to detect galaxies receding away as space expands, so they won't know about the Hubble expansion or dark energy either. Very glad that we do not live in such an era, the very notion is incredibly depressing, sort of an existential nightmare of cosmic proportions.
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Post by nanotm on Apr 21, 2020 1:51:50 GMT
And because of that they wont be able to determine that our Universe is expanding and so wont be able to come up with the Big Bang theory of their own. They will be forever stuck on the 19th century level of cosmology. Yep exactly! They won't be able to detect the CMB, and so they won't have the crucial evidence for the hot Big Bang, and they won't be able to detect galaxies receding away as space expands, so they won't know about the Hubble expansion or dark energy either. Very glad that we do not live in such an era, the very notion is incredibly depressing, sort of an existential nightmare of cosmic proportions. but since new star clusters are forming all the time its highly likely that the ever changing universe will in fact still have all the same things in relative proximity and thus still be observable... as far as it goes moving faster than light is theoretically possible (and indeed has been proven possible in the LHC) so its highly likely that in the far distant future travel between the ever shifting galaxies will still be possible and its even possible that it will take less time than it currently does to send a rocket across our current solar system to visit other planets... and lets face it the ancients had more knowledge on cosmology than we do now, we just have a lot of theories and some minor science experiments they had operational models of our solar system, treaties on the existence of rogue planets, and even star charts depicting movement of the stars relative to the observers position within our solar system for a 100 year period some 7000 + years ago ... and whilst its known and recorded that such existed its not known how such knowledge was gained nor why...
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Post by Deleted on Apr 21, 2020 2:14:09 GMT
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