*** The Official Astronomy & Universe Thread ***

Slightly less exciting ing whenyoureadthe orbital period, and is likely tidialy locked. Massively decreasing chance of life to hat imagine is close to zero.

But still even more reason to get star shot up and running.
 
In a few thousand years we'll sort these issues out.:p

And we don't know till we have more results, they need to fast track project starshot. I want images.
 
Glaucus said:
Slightly less exciting ing whenyoureadthe orbital period, and is likely tidialy locked. Massively decreasing chance of life to hat imagine is close to zero.

But still even more reason to get star shot up and running.
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Being tidally locked may be a good thing (if it hasn't put the planet under too much stress) as there may be areas that are permanently in between the two extremes that are more friendly towards life.
 
Rroff said:
Being tidally locked may be a good thing (if it hasn't put the planet under too much stress) as there may be areas that are permanently in between the two extremes that are more friendly towards life.
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unlikely, you have all sorts of issues with tidily locked planets, like wind will be fast assuming it has an atmosphere, warm sun side and an extremely cold dark side.
 
Glaucus said:
unlikely, you have all sorts of issues with tidily locked planets, like wind will be fast assuming it has an atmosphere, warm sun side and an extremely cold dark side.
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In the context of a red dwarf though does mean while harsh environments potentially environments that aren't periodically scoured by solar activity sandwiched between the two extremes.
 
Glaucus said:
unlikely, you have all sorts of issues with tidily locked planets, like wind will be fast assuming it has an atmosphere, warm sun side and an extremely cold dark side.
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We'll see when we have more data. We've never directly imaged one yet, lots of surprises await us..
 
It's amazing to discover our nearest star has a planet orbiting it that is a candidate for possible life. Even if there is no life there, it continues to blow apart the myth that there's no life anywhere else in the Universe but Earth because the odds are too long.

It's looking increasingly likely that there's life out there somewhere, probably in vast quantities. Not that we're likely to ever encounter any of it, but perhaps as a species we can get finally get over our centre of the universe complex.

Time to build a portable wormhole and spend several thousand years towing it to Proxima B. That's how it works right? :D
 
Cern said:
Time to build a portable wormhole and spend several thousand years towing it to Proxima B. That's how it works right? :D
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If we could build a device the size of current microchips that created a wormhole we could theoretically get it there in about 20 years.
 
The Spitzer mission was designed to last at least two and a half years, now
13 years later, Spitzer has operated far beyond the scope of the original mission. It will now begin an extended mission, the “Beyond” phase, on October 1st:

 
Dust from a comet, Rosetta has imaged the smallest grains of Comet 67P/Churyumov-Gerasimenko’s dust yet with its Micro-Imaging Dust Analysis System, MIDAS:


The three-dimensional nature of five representative dust particles is visualised in this animation. It shows the complexity of the shapes of the dust particles, which are in turn made up of smaller and smaller dust grains.

In general, the particles are either classified as small, tightly packed ‘compact’ grains or larger more porous, loosely arranged ‘fluffy’ grains.

But, even though it may appear like we are flying over of a mountain range in this animation, these particles are extremely small: they range from a few tens of micrometres down to just a few hundred nanometres.
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More:

http://blogs.esa.int/rosetta/2016/08/31/imaging-tiny-comet-dust-in-3d/
 
NASA Senior Research Scientist Joel Levine discusses Viking’s valuable contribution to the science behind discovering life on Mars:

 
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