NOVA scienceNOW | Ask the Expert | Potential Benefits of Space Flight

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We'll have NOVA scienceNOW's experts answer selected submissions. This is a rare opportunity, so come up with questions, make a video, and send it in.
Video questions will be selected and posted on the Cosmic Perspective page on the NOVA scienceNOW website and then be answered by our experts throughout the season of NOVA scienceNOW, via text on our website, September 20, 2009.

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Science & Technology

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[EpochOfReason]

True that, whilst we remain confined to planet Earth all of our eggs are in one basket so to speak. Yet it's not the death of the sun that concerns me, nor our planet moving out of the habitable zone, both are distant events. But any number of disasters that could seal our fate. It's happened before, a mere 65 millions ago & could very well happen again. The only means to ensure the survival of our species is to advance our sciences and subsequently our technologies, to take to the stars. ;)

[xkrazyxboix101]

It is are obligation to go out & explore & further our knowledge in ourselves,science & the universe.If we weren't to go out in space then what are we doing? A whole bunch of nothing.Earth & the sun both have an expiration date so we have to go out into space if we want to find another home for human beings.

[kingpants1986]

This guys is a really close-talker. Props to Tyson for not being weirded out. I guess it takes a lot to do that.

[Setzer]

"Our obligation to survive and flourish is owed not just to ourselves, but also to that cosmos ancient and vast from which we sprang"

"We are a way for the Cosmos to know itself" - Carl Sagan

[earthslosher]

What was the guys' other questions?  The way the guy stood so still, I thought that Neil scared him or something.

[moshpotpaul]

@ManofManyPasswords A lot of religious people WANT the science!

[InvaderAlex22]

That guy when to my school! I love how the contrast of him listening while the other guy over acted for the camera.

[Smhendo152]

please someone get ride of the shitty music!

[AdHominus]

The music kind of ruins it IMHO.

[Jalenxx]

this guy's mind is blown

[squee222]

neil.... I effing love you, man

haha.... you are so passionate, it rubs off on people.

[hameed]

I'm going to NYC later this month and I can't wait to check out the Hayden planetarium