News tagged with space radiation
Scientists Reproduce a Building Block of Life in Laboratory
(PhysOrg.com) -- NASA scientists studying the origin of life have reproduced uracil, a key component of our hereditary material, in the laboratory.
Nov 06, 2009 |
4.9 / 5 (28) |
0
'Necropanspermia' suggested as a way of seeding life on Earth
(PhysOrg.com) -- Panspermia is a mechanism for spreading organic material throughout the galaxy, but the destructive effects of cosmic rays and ultraviolet light tend to mean most organisms would be destroyed ...
Space & Earth / Space Exploration
Nov 12, 2010 |
3.8 / 5 (32) |
47
|
Universal, primordial magnetic fields discovered in deep space
Scientists from the California Institute of Technology and UCLA have discovered evidence of "universal ubiquitous magnetic fields" that have permeated deep space between galaxies since the time of the Big ...
Sep 21, 2010 |
4.6 / 5 (26) |
9
|
Scientists Explore Galactic Frontier, Release First-Ever All-Sky Map (w/ Video)
(PhysOrg.com) -- NASA's Interstellar Boundary Explorer, or IBEX, spacecraft has made it possible for scientists to construct the first comprehensive sky map of our solar system and its location in the Milky ...
Space & Earth / Space Exploration
Oct 15, 2009 |
4.6 / 5 (24) |
2
Galaxy Cores to Crash in a Few Million Years
(PhysOrg.com) -- A new image from NASA's Spitzer Space Telescope offers a rare view of an imminent collision between the cores of two merging galaxies, each powered by a black hole with millions of times the ...
Mar 16, 2009 |
4.5 / 5 (23) |
3
Hubble astronomers discover early universe was overheated
If you think global warming is bad, 11 billion years ago the entire universe underwent, well, universal warming.
Oct 07, 2010 |
4.5 / 5 (22) |
36
|
Hubble snaps sharp image of cosmic concoction (w/ Video)
(PhysOrg.com) -- A colourful star-forming region is featured in this stunning new NASA/ESA Hubble Space Telescope image of NGC 2467. Looking like a roiling cauldron of some exotic cosmic brew, huge clouds ...
Jul 13, 2010 |
4.6 / 5 (19) |
4
|
New Hubble Maps of Pluto Show Surface Changes (w/ Video)
(PhysOrg.com) -- NASA today released the most detailed set of images ever taken of the distant dwarf planet Pluto. The images taken by NASA's Hubble Space Telescope show an icy and dark molasses-colored, mottled ...
Feb 04, 2010 |
4.9 / 5 (16) |
7
|
It's perhaps time to abandon the goal of sending astronauts to the Red Planet
Nearly half a century ago, we sent men to the moon because we had to stop the world from thinking that the Soviet Union, having put a man in orbit, had surpassed the United States in science and technology. When Americans ...
Space & Earth / Space Exploration
Apr 27, 2010 |
2.9 / 5 (26) |
59
Planck Mission: Space Probe Peers Into Dark Cosmos
(PhysOrg.com) -- Imagine watching the birth of the universe -- the Big Bang -- from the outside. What would you have seen?
Jun 10, 2010 |
4.3 / 5 (16) |
20
|
Asteroid Caught Marching Across Tadpole Nebula
(PhysOrg.com) -- A new infrared image from NASA's Wide-field Infrared Survey Explorer, or WISE, showcases the Tadpole nebula, a star-forming hub in the Auriga constellation about 12,000 light-years from Earth. ...
May 13, 2010 |
4.6 / 5 (14) |
0
|
Fermi Telescope Caps First Year With Glimpse of Space-Time (w/ Video)
During its first year of operations, NASA's Fermi Gamma Ray Space Telescope mapped the extreme sky with unprecedented resolution and sensitivity. It captured more than one thousand discrete sources of gamma ...
Oct 28, 2009 |
4.6 / 5 (14) |
5
What activates a supermassive black hole?
A new study combining data from ESO's Very Large Telescope and ESA's XMM-Newton X-ray space observatory has turned up a surprise. Most of the huge black holes in the centres of galaxies in the past 11 billion ...
Jul 13, 2011 |
4.7 / 5 (13) |
108
|
Herschel Space Telescope uncovers the sources of the Cosmic Infrared Background
(PhysOrg.com) -- Using first observations with the PACS Instrument on board ESA’s Herschel Space Telescope, scientists from the Max Planck Institute for Extraterrestrial Physics and other institutions have ...
Dec 16, 2009 |
5 / 5 (12) |
4
Lunar Reconnaissance Orbiter to Help Astronauts Survive in Infinity
(PhysOrg.com) -- Space seems exotic, forbidding, and remote, but imagine trying to survive winter without a heated shelter or warm clothing. Our ancestors developed these technologies because they needed room ...
Space & Earth / Space Exploration
Apr 17, 2009 |
4.9 / 5 (12) |
5
Health threat from cosmic rays
The health threat from cosmic rays is the danger posed by cosmic rays generated by the Sun and other stars to astronauts on interplanetary missions. Cosmic rays consists of high energy protons and other nuclei. They are one of the most important barriers standing in the way of plans for interplanetary travel by crewed spacecraft.
For more information about Health threat from cosmic rays, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
