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"Trillions of Rogue Planets Could Be Careening Through" Topic

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Tango01 Supporting Member of TMP26 Aug 2020 9:04 p.m. PST

…Our Galaxy.

"A new estimate suggests the Milky Way contains more free-floating planets than stars. It's a big claim, but an upcoming mission might actually prove it.

Rogue planets in our galaxy could number in the tens of billions and possibly even trillions, according to new research published in the Astronomical Journal. If confirmed, it means the Milky Way hosts more unbound, starless planets than it does stars. This estimate was developed in preparation for the Roman Galactic Exoplanet Survey (RGES), a five-year mission that's scheduled to start in about five to six years…"
See here


Personal logo Dschebe Supporting Member of TMP26 Aug 2020 11:46 p.m. PST

Many thanks, Armand.

Personal logo Andrew Walters Supporting Member of TMP27 Aug 2020 9:15 a.m. PST

Given the way gravitational simulations show us most multi-body systems end up tossing things out into space, it wouldn't surprise me. On the other hand, there's the question of what constitutes a planet.

On the other, other hand, what are you going to do with the answer? If there are as many Neptunes floating in interstellar space as there are stars, or twice as many, that's still not enough to constitute a navigational hazard, and they aren't useful. They won't solve the "dark matter" question. Depending on how much heavy metals are in them it might compel a reworking of models of the origin of the universe. Otherwise it's just an interesting thing to know.

Tango01 Supporting Member of TMP27 Aug 2020 12:39 p.m. PST

A votre service mon ami!. (smile)


Personal logo John the OFM Supporting Member of TMP27 Aug 2020 7:43 p.m. PST

If this is a problem, there is no solution.
If there is no solution, there is no problem.

If a rogue Mars is going to smash into Earth, maybe I can stop worrying about Yellowstone, or more importantly, whether it's ok to use bacon in Spaghetti Carbonara.

Oberlindes Sol LIC Supporting Member of TMP27 Aug 2020 10:11 p.m. PST

It's a useful bit of data for science fiction gaming. An unknown rogue gas giant drifting between star systems would be a good place to hide out and get fuel, especially in Traveller. The gas giant might have satellites of its own for pirate bases, spy bases, stolen goods caches, and of course a portal that the PCs shouldn't open.

Legion 428 Aug 2020 10:21 a.m. PST

Oh well … if you hit your expiration date not much you can do I guess …

Tango01 Supporting Member of TMP28 Aug 2020 12:28 p.m. PST


Carbonara without bacon… is not carbonara….(smile)


Personal logo John the OFM Supporting Member of TMP28 Aug 2020 7:37 p.m. PST

No bacon. Guanciale or pancetta.

Tango01 Supporting Member of TMP28 Aug 2020 8:49 p.m. PST

Panceta… agree!

Have you tried with Peperoncino?…


Legion 430 Aug 2020 12:27 p.m. PST

I can feel the heartburn coming …

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