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9 Gigapixel Image of the Milky Way

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Re: 9 Gigapixel Image of the Milky Way

#21
abstract http://adsabs.harvard.edu/abs/2012A%26A...537A.107S with link to paper (i think; still downloading paper).

update: the paper is fairly large and doesn't have pretty pictures (it has lots of technical plots, but i imagine it's not what most people think of as a fun read). also, this image is more a "public view" of the data; the paper is for the underlying survey.

Re: 9 Gigapixel Image of the Milky Way

#23
It's really really big. What gets you is that it's really there, go outside and look up. All those stars, all that energy running down, without anything harnessing that energy.

There it is, running down like a forest fire. What will it turn into next? I see the universe as an egg. And it's designed to become a single super sentient entity someday that makes our sentience look like inanimate energy. Our sentience will be the inanimate matter building blocks for something we can't comprehend.

We will comprehend it as much as a carbon molecule comprehends the human mind.

Re: 9 Gigapixel Image of the Milky Way

#24

Why is the milky way (I assume that's what we call the fat strip) not centered? Is that just a projection thing? Does the edges of this image wrap? (I know shamefully little astronomy)

What do you mean by 'not centered'? Imagine you are standing on a field of corn. To you, the field looks like a line encircling you, although it may look like a square or circle from above. There's your projection thing.

Re: 9 Gigapixel Image of the Milky Way

#25
post #17

Hundreds of billions of planets, and this is just our one small galaxy. Just given the sheer scale of the universe, I think we almost have to be foolish to think that we're the only life forms that exist in the whole thing.

It’s also foolish (no pun intended) to think that the Universe was meant to have life. We tend to believe that life is what gives meaning to all that vastness but Cosmos doesn’t need a reason for its existence, it’s just there. Furthermore it’s not about just life but intelligent life. Life in form of microbes could be all around the Universe. But intelligent life could be extremely rare or it could be just too early…

It is also foolish to take Drake equation seriously or assume that we know what intelligent life is. Drake equation should be used for demonstration purposes only. As a side not, it is good to keep in mind that all we did for ETI search was looking out for a human-like radio signal with a narrow bandwidth, which is probably not the best way to transmit information through the Universe.

Re: 9 Gigapixel Image of the Milky Way

#26
post #17

Hundreds of billions of planets, and this is just our one small galaxy. Just given the sheer scale of the universe, I think we almost have to be foolish to think that we're the only life forms that exist in the whole thing.

It’s also foolish (no pun intended) to think that the Universe was meant to have life. We tend to believe that life is what gives meaning to all that vastness but Cosmos doesn’t need a reason for its existence, it’s just there. Furthermore it’s not about just life but intelligent life. Life in form of microbes could be all around the Universe. But intelligent life could be extremely rare or it could be just too early…

This is an interesting philosophical point. If the Universe is capable of supporting life, if indeed life is fairly common in the Universe then couldn't one say that life is fundamentally implied in the laws of physics and so forth?

Re: 9 Gigapixel Image of the Milky Way

#27
post #17

Earlier quoted context omitted.

It’s also foolish (no pun intended) to think that the Universe was meant to have life. We tend to believe that life is what gives meaning to all that vastness but Cosmos doesn’t need a reason for its existence, it’s just there. Furthermore it’s not about just life but intelligent life. Life in form of microbes could be all around the Universe. But intelligent life could be extremely rare or it could be just too early…

It is also foolish to take Drake equation seriously or assume that we know what intelligent life is. Drake equation should be used for demonstration purposes only. As a side not, it is good to keep in mind that all we did for ETI search was looking out for a human-like radio signal with a narrow bandwidth, which is probably not the best way to transmit information through the Universe.

Ugh. It is not unreasonable to take the Drake equation seriously. You just have to correctly understand what purpose it was supposed to serve. The equation is not about calculating the probability of intelligent life. It was about identifying what information needs to be gathered do that you can calculated the probability of intelligent life arising.

In other words, the equation was created to help guide research, not to answer the question itself directly. As a guide to research, I think the equation remains highly relevant.

Re: 9 Gigapixel Image of the Milky Way

#29
If you zoom all the way in, it's blurry (I know, I waited for the tiles to load). There's no single-pixel detail. That means it's not really a 9-gigapixel image, you can easily reduce it by 2x2, and make it a 2.3-gigapixel images. Save space, bandwidth and time for everyone.
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