Hydrogen (H2) is currently discussed as an ideal energy carrier of renewable energies. Hydrogen has the highest gravimetric energy density of all chemical fuels (141 MJ/kg), which is three times higher than gasoline (46 MJ/kg). ...
Analytical Chemistry
Sep 5, 2022
0
740
A unique new instrument at Gemini South in Chile takes the removal of atmospheric distortions (using adaptive optics technology) to a new level. Today's release of seven ultrasharp, large-field images from the instrument's ...
Astronomy
Jul 2, 2013
13
0
Research by a University of Texas at Arlington astrophysicist sheds greater light on S-type and P-type binary stars and forms the basis for BinHab, a new online tool that can be used to calculate the regions of binary systems ...
Astronomy
Dec 22, 2014
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0
Current observational tools cannot account for roughly half of the heat that is believed to have built up on Earth in recent years, according to a "Perspectives" article in this week's issue of Science. Scientists at the ...
Earth Sciences
Apr 15, 2010
26
0
An international team of astronomers reports the discovery of a new millisecond pulsar in the globular cluster NGC 6652. The newly found pulsar received designation PSR J1835−3259B. The study detailing the finding and disclosing ...
Scientists have discovered a rare object called the Blue Ring Nebula, a ring of hydrogen gas with a star at its center. The properties of this system suggest it is the remnant of two stars meeting their ultimate demise: an ...
Astronomy
Nov 18, 2020
1
582
On Christmas Eve in 1968, Apollo 8 astronauts orbiting the moon snapped an ethereal photo of our cloud-speckled blue planet rising over the lunar horizon with a hand-held camera.
Earth Sciences
Apr 22, 2011
0
0
The isotopic composition of meteorites and terrestrial planets holds important clues about the earliest history of the solar system and the processes of planet formation.
Astronomy
Dec 17, 2019
3
534
(PhysOrg.com) -- ESA's gravity mission GOCE has achieved a first in the history of satellite technology. The sophisticated electric propulsion system has shown that it is able to keep the satellite completely free from drag ...
Space Exploration
May 26, 2009
11
0
For several days this month, Greenland's surface ice cover melted over a larger area than at any time in more than 30 years of satellite observations. Nearly the entire ice cover of Greenland, from its thin, low-lying coastal ...
Earth Sciences
Jul 24, 2012
30
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