The Earth is a wonderful blue and green dot covered with oceans and life, while Venus is a yellowish sterile sphere that is not only inhospitable but also sterile. However, the difference between the two is only a few degrees ...
Astrobiology
Dec 18, 2023
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4207
(PhysOrg.com) -- Water is a critical molecule for human life, and, because it is abundant in the interstellar medium, it also plays an important role in the life of molecular clouds and the stars and planets that form in ...
Astronomy
Feb 4, 2011
0
0
The climate catastrophe that has struck southern Brazil, killing more than a hundred people and displacing nearly two million, has also spawned a spate of bizarre conspiracy theories, some involving jets' vapor trails and ...
Environment
May 11, 2024
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43
(Phys.org) —North Carolina State University researchers have identified a new mechanism to convert natural gas into energy up to 70 times faster, while effectively capturing the greenhouse gas carbon dioxide (CO2).
Materials Science
May 7, 2013
10
0
(PhysOrg.com) -- Scientists in Texas say if a medium-sized asteroid were to crash into the ocean the ozone layer could be depleted, allowing high levels of ultraviolet radiation to reach the surface.
MIT astronomers have obtained the clearest view yet of the perpetual dark side of an exoplanet that is "tidally locked" to its star. Their observations, combined with measurements of the planet's permanent day side, provide ...
Astronomy
Feb 21, 2022
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3642
Sodium chloride, better known as table salt, isn't exactly the type of mineral that captures the imagination of scientists. However, a smattering of tiny salt crystals discovered in a sample from an asteroid has researchers ...
Planetary Sciences
Jun 13, 2023
0
519
(Phys.org)—Using the Hubble Space Telescope (HST), astronomers have spotted an atomic hydrogen corona around Jupiter's icy moon Europa. The discovery which could improve our understanding of Europa's tenuous atmosphere ...
The crater that contains those puzzlingly bright spots on Ceres may harbor an equally puzzling haze. Or not. The hints of haze on the dwarf planet, seen in some of the images coming from NASA's Dawn spacecraft, add another ...
Space Exploration
Jul 24, 2015
4
210
Researchers studying a period of high carbon dioxide levels and warm climate several million years ago have concluded that slow changes such as melting ice sheets amplified the initial warming caused by greenhouse gases.
Earth Sciences
Dec 20, 2009
59
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