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2022-12-14: How Can Matter Be BOTH Liquid AND Gas?

  • 19:30: The limit for the Milky Way’s black hole is around 100-billion times brighter than the Sun.

2022-10-12: The REAL Possibility of Mapping Alien Planets!

  • 01:25: ... pictures of the black holes in the M31 galaxy and the center of the Milky Way.   These were taken by bringing together radio signals from telescopes ...

2022-06-01: What If Physics IS NOT Describing Reality?

  • 14:22: ... to the recent episode where  we talked about what parts of the Milky Way   could potentially host life based on various  factors like ...

2022-05-25: The Evolution of the Modern Milky Way Galaxy

  • 00:00: ... and small magellanic clouds in  their slow death spiral towards the Milky Way.   My colleague needn’t have worried - we did some  great observing ...
  • 06:32: ... identified the last truly  gigantic merger that happened to the Milky Way   around 10 billion years ago. This merger was so  large - around 50 ...
  • 11:10: ... the disk correspond to three  episodes of star formation in the Milky Way,   and one of these passes even happens to line up  with the formation ...
  • 11:57: ... the galaxy and at least 42 distinct  streams surrounding the Milky Way,   and as we continue to study the data from  the Gaia mission we’re ...
  • 12:11: ... the Magellanic clouds themselves  are only about 1% the mass of the Milky Way   themselves, the entire stream may be 10 billion  solar masses due ...
  • 14:38: ... is not expanding inside gravitationally bound systems like the Milky Way.   Let's start with the habitable zone: In that episode I said that parts ...
  • 00:00: ... laughed out loud - this wasn’t water vapour  - this was lunch - the Milky Way’s lunch.   Find a dark night in the southern hemisphere  ...
  • 01:41: ... what about our home galaxy? It would be nice  if we could learn the Milky Way’s true history   and final fate. And, in fact, we can. ...
  • 02:19: ... also suffuses the disk and halo   and constitutes 80% of the Milky Way’s mass.The entire galaxy is beautiful and intricately   ...
  • 04:41: ... Milky Way disk or through the halo by now. Teasing  out the Milky Way’s history is sometimes called   stellar archaeology. Perhaps ...
  • 06:57: ... event by identifying star from this devoured   galaxy in the Milky Way’s halo. The “Enceladus”  part is for the Greek titan of that name, ...
  • 09:11: ... other  kicked up the orbits of many of the stars in   the Milky Way’s original thin disk to create  the thick disk. Meanwhile, the fresh ...
  • 09:42: ... the galaxy multiple times. In the end  it disperses into the Milky Way’s ...
  • 10:34: ... every  billion years or so when it punches through the   Milky Way’s disk its gravity hits like a  hammer. Actually, more like a drum ...
  • 12:11: ... prepares to have its lunch and second biggest   meal yet. The Milky Way’s two brightest satellite  galaxies, the Large and Small Magellanic ...
  • 13:17: ... of the Milky Way’s past mergers have been  ‘minor’, meaning that the Milky Way was ...
  • 13:54: ... as we gobble up any galaxies foolish enough to stray into the Milky Way’s little patch of space ...
  • 10:34: ... every  billion years or so when it punches through the   Milky Way’s disk its gravity hits like a  hammer. Actually, more like a drum ...
  • 06:57: ... event by identifying star from this devoured   galaxy in the Milky Way’s halo. The “Enceladus”  part is for the Greek titan of that name, ...
  • 09:42: ... the galaxy multiple times. In the end  it disperses into the Milky Way’s halo. ...
  • 04:41: ... Milky Way disk or through the halo by now. Teasing  out the Milky Way’s history is sometimes called   stellar archaeology. Perhaps galactic ...
  • 00:00: ... laughed out loud - this wasn’t water vapour  - this was lunch - the Milky Way’s lunch.   Find a dark night in the southern hemisphere  and you’ll see too: ...
  • 02:19: ... also suffuses the disk and halo   and constitutes 80% of the Milky Way’s mass.The entire galaxy is beautiful and intricately   structured. Weird ...
  • 09:11: ... other  kicked up the orbits of many of the stars in   the Milky Way’s original thin disk to create  the thick disk. Meanwhile, the fresh ...
  • 01:41: ... what about our home galaxy? It would be nice  if we could learn the Milky Way’s true history   and final fate. And, in fact, we can. Since  ...

2022-05-18: What If the Galactic Habitable Zone LIMITS Intelligent Life?

  • 10:48: ... the inner and outer parts of the Milky Way  don’t look promising. But right in between we find   the ...
  • 12:04: ... not the most typical.   Fewer than 10% of stars formed in the Milky Way  have optimal conditions for the development of   life, and ...
  • 10:48: ... the inner and outer parts of the Milky Way  don’t look promising. But right in between we find   the Galactic ...
  • 12:04: ... That still leaves billions  of possible origins for life in the Milky Way,   so we haven’t solved the Fermi Paradox. Quite  the opposite - we’ve ...
  • 03:40: ... larger nebula, probably in one of  the great spiral arms of the Milky Way’s disk.   While most of the cloud ended up in the ...
  • 08:01: ... pond, forming a growing cluster that would become  the Milky Way’s bulge. As the galactic bulge grew,   it was wracked by further ...
  • 11:12: ... on the Milky Way’s formation history, our  starting intuition seems right: the Sun and ...
  • 08:01: ... pond, forming a growing cluster that would become  the Milky Way’s bulge. As the galactic bulge grew,   it was wracked by further waves ...
  • 03:40: ... larger nebula, probably in one of  the great spiral arms of the Milky Way’s disk.   While most of the cloud ended up in the shrinking  spheroid that ...
  • 11:12: ... on the Milky Way’s formation history, our  starting intuition seems right: the Sun and ...

2022-05-04: Space DOES NOT Expand Everywhere

  • 12:56: ... effect on this little bubble of relatively static space that we call the Milky Way.  Well, except for permanently  isolating our bubble from all of the ...

2022-01-27: How Does Gravity Escape A Black Hole?

  • 16:25: ... speaking of the Milky Way-Andromeda collision, Roli Rivelino points out that way back in our 3-body problem ...

2021-04-13: What If Dark Matter Is Just Black Holes?

  • 01:39: ... in our galaxy it forms a vast halo around twice the diameter of the Milky Way’s spiral disk, where most of the stars are ...

2021-03-16: The NEW Crisis in Cosmology

  • 00:22: ... Gaia mission and its unprecedented survey of a billion stars in the Milky Way.   And guess what - the tension is now even tenser. So is it time to ...

2020-10-27: How The Penrose Singularity Theorem Predicts The End of Space Time

  • 00:00: ... it was shared by the astronomers who revealed  to us the Milky Way’s central black hole and by Roger Penrose, who proved that in ...
  • 12:11: ... and Reinhard Genzel,   who proved to us the existence of the Milky Way’s central supermassive black hole by monitoring the   crazy orbits of ...

2020-05-04: How We Know The Universe is Ancient

  • 01:35: ... blobs of gas in the Milky Way, or vast, distant groups of stars - other “Milky Ways”, or as Immanuel Kant called them, island universes. We now call them ...

2020-04-14: Was the Milky Way a Quasar?

  • 11:41: ... explanations in both cases — some combination of accretion onto the Milky Way’s central black hole and a flurry of star formation egging each other ...

2020-01-13: How To Capture Black Holes

  • 02:50: ... prediction for some time, but we’ve recently found evidence of the Milky Way’s black hole swarm - and yeah, we covered that in a previous ...

2019-07-25: Deciphering The Vast Scale of the Universe

  • 02:05: ... were zipping away from us so quickly that they would surely escape the Milky Way’s gravitational ...

2018-10-25: Will We Ever Find Alien Life?

  • 09:17: ... bottleneck, or colloquially, a great filter that seriously limits the Milky Way's production of highly visible galactic ...

2018-09-12: How Much Information is in the Universe?

  • 08:04: So the Milky Way's black hole has as much entropy and hidden information as all of the matter and radiation in the entire rest of the universe.

2018-08-23: How Will the Universe End?

  • 02:32: ... left us in a sorry state-- the merged Milky Way-Andromeda Galaxy comprised of nothing but stellar remnants, the ultradense neutron ...
  • 05:04: The next calamity to befall the combined Milky Way-Andromeda Galaxy and, in fact, every galaxy will be its complete dissolution.
  • 02:32: ... left us in a sorry state-- the merged Milky Way-Andromeda Galaxy comprised of nothing but stellar remnants, the ultradense neutron stars ...
  • 05:04: The next calamity to befall the combined Milky Way-Andromeda Galaxy and, in fact, every galaxy will be its complete dissolution.

2018-05-02: The Star at the End of Time

  • 06:33: ... new Sun-like stars will be born in the Milky Way/Andromeda collision four billion years from now, but they will have expired, ...

2018-04-25: Black Hole Swarms

  • 04:34: ... tens of thousands of black holes in the central few light years of the Milky Way's ...

2017-12-20: Extinction by Gamma-Ray Burst

  • 01:01: ... what about the Milky Way's inevitable collision with Andromeda, or the final burning out of the ...

2017-01-04: How to See Black Holes + Kugelblitz Challenge Answer

  • 02:49: The Event Horizon Telescope is right now in the process of mapping space around the Milky Way's Sag A star black hole.
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