Bad Astronomy: Cannibal Galaxies
July 15th, 2010 | 
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Reissued in HD. Those stately galaxies we’ve long admired are not exactly what we thought. Phil Plait’s amazing book “Death from the Skies” is now available in paperback via Amazon.com.
Reissued in HD. Those stately galaxies we’ve long admired are not exactly what we thought. Phil Plait’s amazing book “Death from the Skies” is now available in paperback via Amazon.com.
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@SnapShow82: Sorry for the continuation. But this kind of project is very susceptible to disruption by nuclear or biological warfare. Regarding vacating the Earth… fat chance. 6.5 billion is a huge number of people. How many people have walked on a world which was not the Earth? 12, IIRC. We regularly allow countless humans to die for lack of funds to pay for antiviral drugs. We’re going to pack those people onto shuttles for Mars if Earth gets ruined? I doubt it.
@SnapShow82:Consider that we’ve lacked capability to send humans to the moon for 38 years. And in about a year, Russia (and China?) will be the only country able to send people into even low Earth orbit. While other technologies has advanced beyond my wildest dreams, manned space-flight has been one of the great disappointments of my 47 year life. Fortunately I’ve discovered that robotic probes are superior, by far, for this stage of our exploration of space.
@sbergman27 I think you might be reading too much into my statement. All I’m saying is if we were able to ship a person to the moon 40 years ago, then just think of the possibilities in the coming 2 billion years. Whether or not we’ll even be around in 200 years is irrelevant, as is the fate of Earth if the population had to vacate… cuz if we needed to leave Earth, then obviously something bad is about to go down!
@SnapShow82 : In 200,000 years, Homo sapiens has not managed to send a single person beyond Earth orbit. (Note that the moon is in Earth orbit.) We have, however, excelled in two areas: Breeding, and creating ever more destructive weapons… both in large quantity. What makes you think that we would be around in even 200, let alone 2 billion years? And would relocating hurt the then extant life on Earth? Would Earth’s orbit around the Sun be affected significantly? I’m not sure.
@ParaBokGibiHuzurYok i think thats when our sun is going down and i think its in 4 point something billion years
we have seen about 0.1% of the galaxies that surround us. we have found that one of them in the hundreds of thousands is heading towards us. if my calculations are correct, at least 1,000 galaxies are heading our way, all at different rates. or at least that is what is most likely…
@infestedzerg99 YEAH, pretty sure I did watch the video… and obviously the planet would be IN the galaxy… I figured that went without saying.
@SnapShow82 didnt u see the video?we’d have to travel to another galaxy,not just planet.
Andromeda is such a beautiful galaxy I feel like a vandal
He acts like colliding galaxies is something new lol….
I call shotgun of the spaceship we’ll board when we leave Earth!
Oh-kay, so I’ll be dead by then… then I speak on behalf of my future generations!
XD
Btw just to let you guys know, most of the human race will be wiped out when the massive volcano in yellowstone national park erupts. It is now 600 years overdue on its eruption date, meaning it could erupt any day.
When it erupts, the toxic gases will eclipse our skies from the sun, giving us no sunlight for (estimated) 3 years = X_X
like 2 flies in a football stadium accidentally hitting each other 2:20
And most probably less likely
Yes, that’s my point of few as well. But I so see much misery and stupidity in the world that I’m afraid that it’s going to be a close call. How can we invest in knowledge if all our money goes down the drain of banks and wars?
Well, look how far we’ve come in just the last 100 years! If in 2 billion years (give or take) we havent figured out how to travel to another planet & live on it, then really, we deserve to get pummeled by another galaxy. You know what I’m sayin…
And this is why it’s important to develop ourselves as fast as possible, so that we can colonize another galaxy.
i thought it was gonna happen in 5 billion years!!
how mutch speed does our galaxy travels?
this is going to happen in 2012
LoL
Human casserole…
…ick
COVER YOURSELF WITH TIN FOIL!!!
tnx anyways
yah… that’s the american definition. it’s most probable. but i wanted the confirmation from SpaceRip
OOOH MY GOD! Only 2 billion years left to live!…
Oh hold on…
1,000,000,000