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

  • 06:56: ... to the formation of the Galaxy   to figure out where habitable planetary systems could have formed in the first place. Our galaxies started   like ...
  • 10:04: ... disk  to seed itself with enough heavy elements to   form planetary systems. In fact, some of  our galaxy still hasn’t had enough ...
  • 11:12: ... we can say a little more about the emergence of  life-friendly planetary systems. And by “we”,   I mean Charlie Lineweaver, Yeshe Fenner and ...
  • 13:03: ... There is a roadblock in the chain from  forming a habitable planetary system   to sparking simple life to complexifying into ...

2022-03-08: Is the Proxima System Our Best Hope For Another Earth?

  • 01:55: Perhaps they also bore planetary systems - and even planets like the Earth.
  • 05:20: That restricts the transit method to planetary systems that are almost perfectly edge-on.
  • 05:26: Nonetheless the Kepler mission found 2600+ exoplanets this way, and extrapolating from that revealed that most stars host planetary systems.

2021-12-29: How to Find ALIEN Dyson Spheres

  • 05:06: ... disk of gas surrounding a new-born star that will eventually form planetary systems. ...

2020-06-08: Can Viruses Travel Between Planets?

  • 10:37: ... that’s the only known way to really spread LOTS of viruses between planetary systems. ...

2020-01-13: How To Capture Black Holes

  • 07:17: ... infant planetary systems, a disk of gas and dust surrounds the newly-formed star - a ...

2019-12-17: Do Black Holes Create New Universes?

  • 02:52: The universe that is better at making stars is better at making planetary systems is better at making us.

2019-11-11: Does Life Need a Multiverse to Exist?

  • 14:52: ... non-standard for planets, even as we learn more and more about other planetary systems. ...

2019-11-04: Why We Might Be Alone in the Universe

  • 09:09: We’ve only figured this out as the Kepler mission wrapped up its census of other planetary systems.

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

  • 00:25: That’s a quadrillion stars, and as many planetary systems.

2019-03-20: Is Dark Energy Getting Stronger?

  • 12:15: ... eventually it could cause the universe to expand inside galaxies, inside planetary systems, and eventually even inside ...

2018-12-06: Did Life on Earth Come from Space?

  • 00:37: ... possibility is that life bearing rocks aren't so often captured by planetary systems but rather by the giant deceived and gas that precede the formation of ...

2018-11-21: 'Oumuamua Is Not Aliens

  • 02:26: ... the stars, probably ejected in the violent early stages of formation of planetary systems. ...

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

  • 04:23: Believe it or not, many of those black dwarfs will still have planetary systems from their days as regular stars.
  • 04:54: It'll take something like 1,000 trillion years, 10 to the power of 15 years, for, essentially, all planetary systems to be obliterated in this way.

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

  • 07:32: We know that red dwarfs do have planetary systems.

2017-10-04: When Quasars Collide STJC

  • 00:08: Red giant stars incinerate planetary systems, but neutron stars cannibalize their red giant neighbors.

2017-09-13: Neutron Stars Collide in New LIGO Signal?

  • 14:22: Only a small fraction of planetary systems are conveniently aligned so as to do that, and the Proxima Cen system isn't one of them.

2017-03-15: Time Crystals!

  • 11:31: The Kepler Space Telescope has so far discovered 2,330 confirmed exoplanets in 578 planetary systems.

2016-04-06: We Are Star Stuff

  • 07:45: And with them, planetary systems and life.

2015-06-03: Is Gravity An Illusion?

  • 11:08: ... want better understandings of how planetary systems form, of how proximity to different kinds of stars affects the ...

2015-03-11: What Will Destroy Planet Earth?

  • 05:54: ... galaxies, then inside planetary systems, inside planets themselves until literally, everything in a universe is ...
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