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(Independent)   Rogue planet fails stealth check, spotted by scientists rolling natural 20   (independent.co.uk) divider line
    More: Interesting  
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816 clicks; posted to STEM » on 29 Oct 2020 at 9:58 PM (3 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



14 Comments     (+0 »)
 
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2020-10-29 7:49:39 PM  
That's no moon...
 
2020-10-29 9:24:39 PM  
It's just standing by?
 
2020-10-29 10:20:58 PM  
Wouldn't this just be an asteroid?
 
2020-10-29 10:30:41 PM  
Every day, Bellus draws closer to Earth.

Waste everything except time.
 
2020-10-29 10:31:32 PM  
Inhabited by Trelane?
 
2020-10-29 10:32:18 PM  
Fark user imageView Full Size
 
2020-10-29 11:12:11 PM  
What a galactic bulge may look like....


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2020-10-29 11:30:48 PM  

Ragin' Asian: Wouldn't this just be an asteroid?


That's what I was thinking but I don't know how they judge these things. Maybe it used to be a planet in orbit around a sun but now it's just a big asteroid.
 
2020-10-30 12:51:57 AM  

Ragin' Asian: Wouldn't this just be an asteroid?


Looks like not. Too big.
 
2020-10-30 1:55:59 AM  
This new D&D universe is weird.

Natural 20 for spotting wayward planet.
Natural 20 for selecting leader in NZ.
Natural 20 for fast startup rocket flinging people into space.
Natural 20 for world record # of hurricanes and storms.
Natural 20 for finding a way to avoid seemingly-inevitable olympic multicast.
Natural 20 for ... etc.
 
2020-10-30 5:06:07 AM  
Raxxla?
 
2020-10-30 5:56:38 AM  

Ragin' Asian: Wouldn't this just be an asteroid?


It should be. If Pluto isn't a planet because it hasn't cleared its orbit, then I say this isn't a planet either. At least not until they checked this "planet"'s orbit to see if it had been fully cleared.
 
2020-10-30 12:00:23 PM  
The science is tenuous on this. Because of the technique used the finding is unlikely to be repeatable again. Ever. The sensors detected 'something' at edge where lensing occurs - it could be any number of things and not just a loose planet. I suspect the most likely cause is something more local.
 
2020-10-30 1:23:55 PM  

Ragin' Asian: Wouldn't this just be an asteroid?


As far as I can tell, the only real differences between "asteroid" and "planet" are:

1. Planets have to have achieved hydrostatic equilibrium.
2. Asteroids might exist in the same orbit as other equally massive objects.

Given the distance, we probably can't directly observe that much of the physical characteristics of this object, but since they seem to have an estimate that it is around the mass of Mars, the discoverers might project that it probably satisfies condition 1. As for #2, it is irrelevant because there are no nearby stars, and thus nothing to orbit around.
 
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