Trillions of Worlds WIthout Stars | Exoplanet Radio ep 25

Astronomers estimate that there are more free roaming planets in our galaxy than there are planets in orbit around stars.
In fact, rogue exoplanets - planets with no star whatsoever - far outnumber all other planets in our galaxy, by 20 times. Trillions of worlds wandering alone.
Astronomers have reached this conclusion based on the results of a nine year survey that looked at special events that occur when an object such as a star or planet comes into near-perfect alignment with an unrelated background star from our vantage point.
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[@taboovsknowledge1603]

WOW! Did I say, WOW? If not, WOW! 20X"s? WOW!

[@bullshitvendor]

These shorts are great! Have you abandoned longer format content tho?

[@deepastronomy]

Thanks! Like how long? In order to put one video out a day I need to keep it short. Most watch time on this channel is 5 minutes or less per video so I'm not sure there is a market for longer ones. especially the one hour live streams. no one was watching very long. I haven't abandoned longer vids but this style and length seem to be what's working best.

[@taboovsknowledge1603]

I suspect life can start and even thrive on rogue planets because they are out of the bomb zone of a solar system. Now, there are 20 X's more that planets with stars? The physics of the planet relative to the system is a important issue for intelligent life evolutionarily & when it gets to the level of looking up, into the stars. This is a big understanding of the galaxy!

[@communist-hippie]

Wouldnt the planets go cold. No sun, and wouldnt the internals go cold too

[@taboovsknowledge1603]

@@communist-hippie If the planet has moons that are in an elliptical orbit. Tidal forces can make internal heat. We could be the odd ball when it comes to life successfully making it.

[@communist-hippie]

@@taboovsknowledge1603 cool, didnt know a moon could have that effect :)

[@sheepwshotguns42]

will the wide field view of the vera rubin observatory be able to do this kind of work as well?

[@geemanbmw]

Your comment makes no sense. The only thing that made sense is that life can start on a rogue planet but survive...I doubt it maybe if it has oceans but still not likely it would go frozen in no time and it wouldn't be life as we certainly would know it. What I find way more interesting is rogue stars that get sent along with their planets still orbiting them business as usual and the if it's leaving the galaxy what a view they would have.