News Feature Requests Update #1: That’s No Moon...

[Juniper]

As long as there is 'Magrathea' I will be happy

This. :smilie:

 

[Dr Wookie]

They do - although they do evaporate through Hawking radiation, but that takes eons.

Nope! Hawking radiation assumes an effective temperature that is gets smaller as the mass gets bigger. Once that effective temperature is colder than the cosmic microwave background, then the black hole cannot evaporate. All stellar mass black holes are waaay too cool (in a Hawking radiation sense) to evaporate. Ever !

 

[Kerrash]

...

Rimmer: But five of them? . How can you manage to miss five black holes?
...

Weren't they just specks on the monitor anyway?
Would be great to have little quotes like that make it into E: D

 

[Dr Wookie]

Well, the thing about a black hole - its main distinguishing feature - is it's black. And the thing about space, the colour of space, your basic space colour, is black.

When in the UK, I try to jam this in whenever I give talks about black holes. It doesn't transfer so well in the US though

 

[Dr Wookie]

Sandy: We hope to generally base things off the NASA Gaia catalogue (or its predecessor if it’s not available in good time).

Well Gaia is only due to launch in October 2013; it is a 5 year mission, and is unlikely to release any catalogues within a year of launch; the final catalogue is due in 2020. So you would be better off with the Hipparcos catalogue

 

[Juniper]

Nope! Hawking radiation assumes an effective temperature that is gets smaller as the mass gets bigger. Once that effective temperature is colder than the cosmic microwave background, then the black hole cannot evaporate. All stellar mass black holes are waaay too cool (in a Hawking radiation sense) to evaporate. Ever !

Never knew that... that's interesting. Cheers. :smilie:

 

[Jenner]

Great to see more news! Thanks!

 

[Dusty]

Sweet news thanks :smilie:

 

[aelreth]

I thought black holes turned out to be pink in color.

 

[Ian Phillips]

Any black holes close to settled space? I wouldn't want to drop into one by accident

That would be the hold in Liqua's ship

 

[Fangrim]

Black holes suck!

 

[Voyager_NL]

Black holes suck!

I'd like to generalize on that: Gravity sucks!

 

[Ashton Black]

I'd like to generalize on that: Gravity sucks!

A relatively funny joke.

 

[Voyager_NL]

A relatively funny joke.

Relative to the observer or relative to the joke?

Hint: Don't read the joke from too close or its amount of funniness will become unmeasurable and the location of the joke will start jumping around through the Elite forums.