NASA says it would take almost a year using conventional rockets to get to Mars. By that time a human body would likely turn to jello due to exposure to space radiation. But the space agency has come up with a solution – in fact two of them.
First they want to build the nuclear rocket (Project Prometheus) which NASA says would cut in half the amount of time it would take to get to the red planet. With nuclear reactors for engines NASA also says they could carry heavier payloads which would make it possible to “mine the sky” for precious minerals.
The other solution to the space radiation problem seems to rely on testing monkeys by exposing them to doses of radiation so NASA can further study the effects on the human body.
A new exhibit at the Smithsonian’s National Air and Space Museum asks the big questions: How can human spaceflight become routine? How can a home and workplace be created in the extreme environment of space? What does the future hold for humans in space?
“Moving Beyond Earth” at the Washington D.C. museum features launch-vehicle models representing the quest for space, telescopes brought back from the Hubble, the suit worn by space tourist Dennis Tito and other items from NASA’s space exploration history.
Spacecraft that crashed into the moon last month kicked up a relatively small plume. But scientists have confirmed the debris contained water — 25 gallons of it — making lunar exploration exciting again.
The lunar dud for space enthusiasts has become a watershed event for NASA.
Experts have long suspected there was water on the moon. So the thrilling discovery announced Friday sent a ripple of hope for a future astronaut outpost in a place that has always seemed barren and inhospitable.
“We found water. And we didn’t find just a little bit. We found a significant amount,” Anthony Colaprete, lead scientist for the mission, told reporters as he held up a white water bucket for emphasis.
He said the 25 gallons of water the lunar crash kicked up was only what scientists could see from the plumes of the impact.
NASA Announces Discovery Of Lunar Ice Field Nov 13 2009
Anthony Colaprete, LCROSS project scientist and principal investigator from NASA’s Ames Research Center at Moffett Field, California:
Scientists have long suspected that permanently shadowed craters at the south pole of the moon could be cold enough to sustain water frozen at the surface and have been analyzing a mile-high plume of debris kicked up by the Lunar Crater Observation and Sensing Satellite.
(Water has already been detected on the moon by a NASA-built instrument on board India’s now defunct Chandrayaan-1 probe and other spacecraft, though it was in very small amounts and bound to the dirt and dust of the lunar surface)
NASA plans to return astronauts to the moon by 2020 for extended missions on the lunar surface.
Indeed, yes, we found water. And we didn’t find just a little bit, we found a significant amount