The first experimental evidence showing how atmospheric nitrogen can be incorporated into organic macromolecules is being reported by a University of Arizona team.
Biochemistry
Jun 29, 2010
13
0
(PhysOrg.com) -- One of the mysteries in our Solar System is superrotation, a phenomenon known since the late 1960s, in which the winds on Venus blow faster than the planet rotates. Scientists have proposed a number of theories, ...
(PhysOrg.com) -- NASA's recently launched Solar Dynamics Observatory, or SDO, is returning early images that confirm an unprecedented new capability for scientists to better understand our sun’s dynamic processes. These ...
Space Exploration
Apr 21, 2010
4
0
(PhysOrg.com) -- Using data from the Hinode spacecraft, a team of researchers from University College London (UCL) have revealed an immense magnetic structure that erupted to produce a dramatic solar eruption in late 2007. ...
Astronomy
Apr 12, 2010
3
0
The Sun is a bubbling mass. Packages of gas rise and sink, lending the sun its grainy surface structure, its granulation. Dark spots appear and disappear, clouds of matter dart up - and behind the whole thing are the magnetic ...
Space Exploration
Nov 11, 2009
6
0
(PhysOrg.com) -- UCLA atmospheric scientists have discovered a previously unknown basic mode of energy transfer from the solar wind to the Earth's magnetosphere. The research, federally funded by the National Science Foundation, ...
Earth Sciences
Sep 10, 2009
5
0
Researchers have largely put to rest a long debate on the underlying mechanism that has caused periodic ice ages on Earth for the past 2.5 million years - they are ultimately linked to slight shifts in solar radiation caused ...
Earth Sciences
Aug 6, 2009
63
0
Graphene is an atomically thin sheet of carbon that has attracted significant attention due to its potential use in high-performance electronics, sensors and alternative energy devices such as solar cells. While the physics ...
Materials Science
May 17, 2009
0
0
(PhysOrg.com) -- Scientists have, for the first time, detected giant twisting waves in the lower atmosphere of the Sun, shedding light on the mystery of the Sun's corona (the region around the Sun, extending more than one ...
Astronomy
Mar 19, 2009
0
0
(PhysOrg.com) -- "With lots of methane in the atmosphere, it becomes clear why Pluto's atmosphere is so warm," says Emmanuel Lellouch, lead author of the paper reporting the results.
Astronomy
Mar 2, 2009
0
0
