Einstein's general theory of relativity suggests, among other things, that masses in space distort the geometry of space-time. In addition, moving objects emit waves of gravitational radiation that carry energy away into space
Ring of Fire: Northern Lights from space An oval of glowing green light in Earth’s upper atmosphere encircles the magnetic North Pole. NASA Credit: NASA You Might Also Like: What Would Happen If A Large Asteroid Were To Smash Into Earth Comments comments
Nasa marks 50 years of space photography - in pictures
A dying star throws a cosmic tantrum in this combined image from Nasa's Spitzer Space Telescope and the Galaxy Evolution Explorer. The star's dusty outer layers are unraveling into space, glowing from the intense ultraviolet radiation being pumped out by
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Travelers to Mars would face a lifetime's worth of radiation exposure
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NASA Explains Space Radiation and Its Effects on the Human Body
In each life a little rain must fall, but in space, one of the biggest risks to astronauts’ health is radiation “rain”. NASA’s Human Research Program (HRP) is simulating space radiation on Earth following upgrades to the NASA Space Radiation Laboratory (NSRL) at the U.S. Department of...
As Mars Mission Approaches, NASA Works to Assess Risks from Space Radiation
"Wow, we missed a frozen iron // metal shackle in the list of our favorite photos. Love the gradient in the background: the colors really sparkle in contrast to the hurting frozen chain covered with ice crystals.
ESA is announcing a new programme for conducting research into radiation and how to protect astronauts from space radiation. Teaming up with five particle accelerators in Europe, we are offering researchers slots to bombard samples with radiation. Cosmic radiation is considered to be th…
Positive, Negative or Neutral, It All Matters: Space Radiation
Positive, Negative or Neutral, It All Matters: NASA Explains Space Radiation
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