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Scientists just found something wild — a kind of cosmic tunnel leading out of our Solar System. It’s not a spaceship tunnel, but a real gap in hot plasma that surrounds us like a bubble. This “channel” might explain how cosmic rays and energy slip in and out of our neighborhood. The crazy part? It points straight into the galaxy, like a hidden exit. Sounds like sci-fi… but the data says it’s real. Credit:
Interstellar Mapping: by NASA's Goddard Space Flight Center https://svs.gsfc.nasa.gov/14895/
eROSITA: by DLR - German Aerospace Center CC BY 3.0 DE https://creativecommons.org/licenses/by/3.0/de/deed.en https://commons.wikimedia.org/wiki/File:R%C3%B6ntgenteleskop_eROSITA.webm
Heliosphere: by NASA's Goddard Space Flight Center Conceptual Image Lab https://svs.gsfc.nasa.gov/20406/#media_group_378704
Gamma-Ray Burst: by NASA's Scientific Visualization Studio - KBR Wyle Services, LLC/Scott Wiessinger, University of Maryland College Park/Francis Reddy, NASA/GSFC/Elizabeth Hays, KBR Wyle Services, LLC/Adriana Manrique Gutierrez https://commons.wikimedia.org/wiki/File:Fermi_Finds_Novel_Feature_in_BOAT_Gamma-Ray_Burst_(SVS14634).webm
SRG-eROSITA: by JohannesBuchner CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/deed.en https://commons.wikimedia.org/wiki/File:SRG-eROSITA_all-sky_image.jpg
XRISM: by NASA's Scientific Visualization Studio - Advocates in Manpower Management, Inc./Sophia Roberts, Advocates in Manpower Management, Inc./Rob Andreoli, Intern/Harrison Bach, Advocates in Manpower Management, Inc./John D. Philyaw, KBR Wyle Services, LLC/Adriana Manrique Gutierrez, KBR Wyle Services, LLC/Scott Wiessinger, University of Maryland College Park/Jeanette Kazmierczak, ADNET Systems, Inc./Aaron E. Lepsch https://commons.wikimedia.org/wiki/File:XRISM-_Exploring_the_Hidden_X-ray_Cosmos_(SVS14405).webm
Space X-rays: by NASA’s Goddard Space Flight Center https://www.nasa.gov/missions/sounding-rockets/nasa-january-launch-studying-sources-of-space-x-rays/
Sounding Rocket: by NASA Goddard https://commons.wikimedia.org/wiki/File:Sounding_Rocket_Solves_One_Cosmic_Mystery,_Reveals_Another_alzgtd2PbcI.webm
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Transcript
00:00So get this, Earth might be actually located near space highways that could connect us to other worlds.
00:07That's because our Sun sits right in the center of a giant bubble filled with hot gas, carved out by ancient supernovae.
00:15And this bubble likely has tunnels linking us to distant galaxies.
00:20So does it mean it's time to develop space tourism?
00:24Well, let's figure it out.
00:26Most of us think space is just planets floating around in eternal darkness.
00:31But new research hints at the possibility that it might not be really true.
00:37It turns out our whole solar system is actually sitting inside a giant bubble of hot, thin gas.
00:44And it gets even better.
00:46Scientists now think there might even be a weird cosmic tunnel or channel made of this stuff.
00:52It supposedly stretches out toward faraway stars.
00:56Astronomers spent years mapping the sky.
00:59And after they put all the data together, they found something that looks like a long pathway of hot, low-density plasma,
01:07which is basically that very thin, super-hot gas.
01:11And this so-called channel reaches out from around us to distant constellations.
01:16Researchers from Germany confirmed this discovery using data from a space telescope called E-Rosita.
01:24We'll talk about it a tiny bit later.
01:26Now, interestingly, scientists discovered that our solar system sits inside something called the local hot bubble a long time ago.
01:35This bubble is actually a huge area, about 1,000 light-years wide.
01:41It was created when several stars exploded in giant supernovas millions of years ago.
01:47Those explosions heated up the gas around them and basically carved out this bubble of hot, low-density space.
01:55And their shockwaves created weak points in the bubble around us, eventually forming interstellar tunnels.
02:02That cosmic event was so huge that the leftover hot plasma is still floating around us today.
02:09Now, to understand this bubble better, scientists used E-Rosita, which is an X-ray telescope.
02:17It scans the sky looking for soft X-ray light.
02:20That's a kind of light we can't see with our eyes.
02:23It comes from hot gas, old supernova leftovers, and other structures in space.
02:29They also compared E-Rosita's new information with older data from another X-ray telescope called ROSAT.
02:36And finally, putting all this information together, they were able to make a much clearer map of what's around our solar system.
02:45Mind you, this wasn't easy.
02:47They had to divide the sky into thousands of tiny pieces and carefully measure faint signals coming from warm gas,
02:55empty pockets of dust, and other stuff floating in space.
02:59But their effort paid off.
03:00After sorting through everything, they managed to figure out the faint glow of hot plasma around us.
03:07It proved we were not just drifting through empty space.
03:11We're inside a giant burned-out bubble created by extinguished stars.
03:16But what really surprised scientists was the discovery of some kind of channel.
03:22It looked like a long tunnel in space, cutting through the hot gas around us and connecting our part of the galaxy to star systems far away.
03:32They also found signs of another channel pointing toward the Canis Major constellation.
03:38And those might not be the only ones.
03:41The data suggests there could be a whole network of such paths, branching out through space.
03:47Each one works like a hidden back row.
03:49Scientists used to guess that the space around our solar system might have little pockets or rooms carved out by old exploding stars.
03:59We could probably imagine them like paves inside outer space.
04:03But no one had the necessary tools to actually prove it.
04:07But now, thanks to that new data from the Erosita telescope, they finally have a clear picture.
04:13The telescope showed that the space around us wasn't just empty.
04:18It's full of hot, thin gas and strange shapes, including tunnels and bubbles.
04:24This proves at least part of what older scientists predicted.
04:28We're living inside a giant bubble of hot gas, and that bubble connects to other bubbles through long, low-density channels.
04:36The new study also shows that the pressure inside our bubble is lower than scientists expected.
04:43This might mean the bubble isn't closed.
04:46It could be open in some directions, letting that hot gas flow out into other parts of space.
04:53In short, this hot bubble isn't simple at all.
04:57Parts of it might be open pathways, and other parts look blocked off.
05:01Being inside, it is kind of like trying to walk through a forest.
05:06Some areas have clear trails, and others are packed with trees.
05:10And even though astronomers have mapped big chunks of the bubble and found these strange channels,
05:16there's still a lot they don't fully get.
05:18Some paths look like they're made of a bunch of connected empty pockets, and others look totally closed.
05:25To understand the whole picture, we'll need better tools and more data.
05:29Hopefully, with stronger X-ray telescopes, deeper sky scans, and better computer models,
05:36we'll finally understand the nature and structure of the bubble we're living in.
05:41We might be able to make a kind of map of those hidden channels,
05:45and learn how they affect things like cosmic rays, dust, and the solar wind around us.
05:51Now, speaking of telescopes, we can't help but mention the one that helped us figure out the very existence of the bubble around us.
05:58The thing is, scientists have been trying to understand a faint glow of low-energy X-rays that seemed to cover the whole sky.
06:06For many years, they weren't sure where this glow was coming from.
06:11And then, the NASA-supported DXL mission finally helped to solve the mystery.
06:17Researchers used old but reliable detectors that first flew on a rocket in the 1970s.
06:23With these instruments, they confirmed that most of this X-ray glow came from a huge area of extremely hot gas around us.
06:32It was named the local hot bubble.
06:35Back in the 1990s, another X-ray mission called ROSAT made pretty good maps of the sky.
06:41And it found something surprising.
06:44Comets gave off soft X-rays, too.
06:47Later, scientists realized this happened when the solar wind, fast particles from the Sun, collided with neutral atoms.
06:55This process, called charge exchange, can happen almost anywhere in space.
07:01Because of this, some scientists started to doubt whether the local hot bubble was really the main source of the X-ray glow.
07:08So, to test this, DXL launched on December 12, 2012, from New Mexico.
07:14The rocket flew high above Earth's atmosphere for about five minutes, giving the instruments a clear view of space.
07:22The goal was to look at a worst-case situation where lots of charge exchange might occur.
07:28Right now, our solar system is moving through a cloud of cold gas in space, known as the local interstellar cloud.
07:36That's also nicknamed the local fluff.
07:39Cute, right?
07:39Neutral hydrogen and helium atoms from this cloud move through our solar system at very high speeds.
07:47Hydrogen gets affected easily by different forces, but helium mostly follows the pull of the Sun's gravity.
07:54Because of this, the helium forms a focusing cone, a region with extra helium that Earth passes through every December.
08:02However, this cone is the perfect place to look for charge exchange, since it holds more neutral atoms than usual.
08:09But what happens during charge exchange?
08:12The solar wind comes from the Sun's corona, the star's super-hot outer layer.
08:17The particles in the solar wind have lost many of their electrons.
08:21When one of these particles hits a neutral atom, it can steal one of the atom's electrons.
08:27The stolen electron briefly gives off a soft X-ray.
08:31This is how the glow is created.
08:34Now, to compare things, the researchers also looked at old ROSAT data from 1990,
08:40taken in a direction away from the helium cone, where charge exchange should be weak.
08:45By putting everything together, the scientists found that only about 40% of the soft X-rays come from inside our solar system.
08:53The rest, the majority, comes from the local hot bubble.
08:58This means the huge cloud of hot gas around us really is the main source of the X-ray glow.
09:05But let's get back to the discovery of the space intergalactic tunnel.
09:10It's a valuable lesson for us that space might look calm and empty when we look up, but that's not true.
09:17Space around us actually contains dust, plasma, radiation, magnetic fields, and mysterious tunnels.
09:26All of these things mix and swirl together, making space much more complicated than a simple vacuum.
09:33That's it for today!
09:34So hey, if you pacified your curiosity, then give the video a like and share it with your friends.
09:39Or if you want more, just click on these videos and stay on the bright side!
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