Comment +1 funny (Score 1) 266
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I hope they plan a good light show inside the tunnel. And audio, it must have audio:
There's no earthly way of knowing
Which direction we are going.
There's no knowing where we're rowing
Or which way the river's flowing.
Is it raining?
Is it snowing?
Is a hurricane a blowing?
Not a speck of light is showing
so the danger must be growing.
Are the fires of hell a glowing?
Is the grisly reaper mowing?
Yes! The danger must be growing
For the rowers keep on rowing. And they're certainly not showing
any signs that they are slowing!
Mercury lives close to the bottom of a very deep gravity well.
If you fall down that well, you gain an enormous amount of velocity that you have to dump if you want to orbit/land on the planet. Mercury has no atmosphere to aerobrake so you need fuel to stop.
The rail gun you'll need to send shipments back to earth would be pretty immense to lift any reasonable mass out of that gravity well.
How serious of a problem do you think gender inequality is in the scientific academic world? What would you do to correct it?
Follow up:
You caught a lot of heat for the "Dear Muslima" episode last year. Do you feel you were misinterpreted or misrepresented? Is there anything you regret or would have said differently in retrospect?
First, launch escape systems only work if activated prior to an explosion. It won't save the lives of astronauts after the fact, the abort has to be done prior to the catastrophic event.
Second, of course the the Space Shuttle had Launch abort system. It had "Abort to Landing Site", "Transoceanic Abort Landing", "Abort Once Around", and "Abort to Orbit". Only Abort to Orbit was used in the program (STS-51-F):
http://en.wikipedia.org/wiki/Space_Shuttle_abort_modes
Additionally, there was equipment and flight software for crew inflight bailout:
http://spaceflight.nasa.gov/shuttle/reference/shutref/escape/inflight.html
This was not available during powered flight.
Anything free is worth what you pay for it.