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(Big Think)   If you've ever wondered how we know we have an Oort cloud, this is pretty good   (bigthink.com) divider line
    More: Obvious, Solar System, Comet, Oort cloud, Sun, Kuiper belt, Oort Cloud, have aphelions, Neptune  
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1354 clicks; posted to STEM » on 03 Dec 2021 at 8:20 AM (7 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



15 Comments     (+0 »)
View Voting Results: Smartest and Funniest
 
2021-12-03 8:31:11 AM  
Refried bean burritos with 'cheese' on top?
 
2021-12-03 8:39:17 AM  
Look at that, another stupid Forbes scie...Now hey, this sounds like the proper venue for Ethan's articles.
 
2021-12-03 9:48:29 AM  

sleze: Look at that, another stupid Forbes scie...Now hey, this sounds like the proper venue for Ethan's articles.


It is difficult for me to take a science reporter seriously when he uses the word "literally" immediately preceding a metaphor.

No Ethan, then sun isn't "literally" the tip of the iceberg.
 
2021-12-03 9:52:04 AM  
Nice moderately informative article. I particularly liked the offering of competing views in science. I would have liked to have read estimations on the density of the icy rocks in the cloud. They say billions of objects, but an extremely thick shell that extends at least the majority of a light year covers a heck of a lot of space. Even using the most conservative numbers offered for the outer Oort cloud (0.32-0.79LY) the cloud encompasses 1.64x1048 cubic meters. Hell, you can convert that to cubic AU and it is still mind boggling. The outer Oort cloud has a volume of at least 52,271,120,800,000 cubic astronomical units. So if there are only billions of objects in the outer Oort cloud the density could be one in every THOUSAND cubic AU.
 
2021-12-03 11:29:11 AM  

grinding_journalist: sleze: Look at that, another stupid Forbes scie...Now hey, this sounds like the proper venue for Ethan's articles.

It is difficult for me to take a science reporter seriously when he uses the word "literally" immediately preceding a metaphor.

No Ethan, then sun isn't "literally" the tip of the iceberg.


It is now. Don't you keep up with dictionary changes?

Not really serious. I agree that a science writer shouldn't use that new idiotic definition of the word.
 
2021-12-03 12:01:11 PM  
There are people who think the oort cloud is a conspiracy and I think thats one of the biggest wastes of energy one could perform.
 
2021-12-03 12:04:26 PM  
Oort clouds - when you've eaten so much garlic you can see your burps.
 
2021-12-03 12:32:51 PM  
That was super cool! Thanks, subby!
 
2021-12-03 2:51:37 PM  
https://solarsystem.nasa.gov/solar-system/oort-cloud/in-depth/


In case anyone wants something on the subject written by an intelligent scientist, there ya go

Or this one

https://phys.org/news/2015-08-oort-cloud.html

or even this one

https://en.wikipedia.org/wiki/Oort_cloud
 
2021-12-03 4:14:19 PM  
Prediction:  Sufficient data will prove there is no spherical OORT cloud.

The obvious answer is that a continuum of comet like bodies fills all of galactic space not near stars. These orbit the galactic core in much the same way that suns do.  Nearby ones have orbits like our sun.  Having similar average speeds, they appear to relate to Sol.

Double or nothing: This region also extends through intergalactic space. Its cumulative gravitational effect on light across intergalactic distances causes some of the discrepancies between the observed red shift and other measures of universal expansion.

/In astronomy, the farking obvious answer is always the right answer.
//I'll be dead before this is proven or disproven by observation
///Kinda sad about that, I'd like to know
 
2021-12-03 4:41:31 PM  

Marcos P: There are people who think the oort cloud is a conspiracy and I think thats one of the biggest wastes of energy one could perform.


Interesting. If it's a conspiracy, the people behind it must be somehow be benefitting from it.

What is the conspiracy?
 
2021-12-03 5:20:11 PM  

thrasherrr: Prediction:  Sufficient data will prove there is no spherical OORT cloud.

The obvious answer is that a continuum of comet like bodies fills all of galactic space not near stars. These orbit the galactic core in much the same way that suns do.  Nearby ones have orbits like our sun.  Having similar average speeds, they appear to relate to Sol.


Yeah.

Double or nothing: This region also extends through intergalactic space. Its cumulative gravitational effect on light across intergalactic distances causes some of the discrepancies between the observed red shift and other measures of universal expansion.

Nah.
 
2021-12-03 6:13:57 PM  
I just want to know how to pronounce it in english. Do we just ignore the first O? If not, shouldn't it be pronounces like the Os in balloon or platoon. eeww-rt.
 
2021-12-03 9:10:38 PM  

morg: I just want to know how to pronounce it in english. Do we just ignore the first O? If not, shouldn't it be pronounces like the Os in balloon or platoon. eeww-rt.


Could be like Oolitic, which is oh-oh.
 
2021-12-04 12:39:51 AM  

BolloxReader: morg: I just want to know how to pronounce it in english. Do we just ignore the first O? If not, shouldn't it be pronounces like the Os in balloon or platoon. eeww-rt.

Could be like Oolitic, which is oh-oh.


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