Space and stuff

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chrismpw said:
Easier and safer (physiologically) to work in a gravitational field, plus the prospect of being able to use some raw materials (back to the water).
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I think it would be awesome if we put a base on the moon, but it seems the powers that be are more interested in Mars. As for the original question, there is currently no reason for us to go back, with the current level of technology, as we currently have no reliable method of extracting the water for use.

If NASA and SpaceX are targeting Mars, maybe it will be up to the likes of the ISRO to have a pop at the moon. It is something that I would love to see happen.
 
Dylan said:
I think it would be awesome if we put a base on the moon, but it seems the powers that be are more interested in Mars. As for the original question, there is currently no reason for us to go back, with the current level of technology, as we currently have no reliable method of extracting the water for use.

If NASA and SpaceX are targeting Mars, maybe it will be up to the likes of the ISRO to have a pop at the moon. It is something that I would love to see happen.
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I won't disagree with you, the prospect of Mars is awesome. I think there are good reasons to go to the moon again, for example, we have only explored a tiny fraction of its geology, but maybe the powers that be figure it would be too expensive since it inevitably would mean having the technology for return trips, whereas Mars is more though of as a 1 way trip so cheaper. I figure I'd just like us to do both rather than waste money fighting wars!

And let's make star ships with warp drive!
 
chrismpw said:
I won't disagree with you, the prospect of Mars is awesome. I think there are good reasons to go to the moon again, for example, we have only explored a tiny fraction of its geology, but maybe the powers that be figure it would be too expensive since it inevitably would mean having the technology for return trips, whereas Mars is more though of as a 1 way trip so cheaper. I figure I'd just like us to do both rather than waste money fighting wars!

And let's make star ships with warp drive!
Click to expand...

As long as they resemble the Millennium Falcon, Im all in.
 
chrismpw said:
I won't disagree with you, the prospect of Mars is awesome. I think there are good reasons to go to the moon again, for example, we have only explored a tiny fraction of its geology, but maybe the powers that be figure it would be too expensive since it inevitably would mean having the technology for return trips, whereas Mars is more though of as a 1 way trip so cheaper. I figure I'd just like us to do both rather than waste money fighting wars!

And let's make star ships with warp drive!
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Alcubierre Drive! GO!!

I think the Planet Express ship has the best variant of that. It moves the universe around the ship!!
 

Groucho said:
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Yes they orbit around Saggitaruis A* but that is not what you are actually seeing there. What that is, is the lensing effect as the light bends around the Black Hole as the star passes behind it. That is the reason why the star seemingly accelerates at the bottom of the orbit.

Here is a higher quality version of the same file in that tweet:


One of the best representations of seeing a Black Hole is in the excellent game Elite: Dangerous (although Space Engine also has a great simulation).

Start at about 2 minutes in:



Interstellar also has an excellent representation of how a Black Hole looks due to the lensing (seen at several points in this scene):



And here is a link to 222 images of gravitational lensing!

http://hubblesite.org/images/news/18-gravitational-lensing
 
The Sun, shot in ultraviolet, and the Orion Nebula - spectacular.

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Anyone watch the SpaceX launch live on FB? I've watched most of the recent launches and it never fails to impress me when the first stage lands mere minutes after launch. Was quite to surprised to see a bit of debris (looked like the foil) break off after the second stage shutdown - never noticed that before. :Blink:
 

Dylan said:
Yes they orbit around Saggitaruis A* but that is not what you are actually seeing there. What that is, is the lensing effect as the light bends around the Black Hole as the star passes behind it. That is the reason why the star seemingly accelerates at the bottom of the orbit.

Here is a higher quality version of the same file in that tweet:


One of the best representations of seeing a Black Hole is in the excellent game Elite: Dangerous (although Space Engine also has a great simulation).

Start at about 2 minutes in:



Interstellar also has an excellent representation of how a Black Hole looks due to the lensing (seen at several points in this scene):



And here is a link to 222 images of gravitational lensing!

http://hubblesite.org/images/news/18-gravitational-lensing
Click to expand...

Interstellar is a brilliant movie. Timeless and inspirational. Underrated by many.
 

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