The differences between Earth and Venus are obvious to us. One is radiant with life and adorned with glittering seas, and the other is a scorching, glowering hellhole, its volcanic surface shrouded by thick clouds and visible ...
Astronomy
Feb 3, 2023
0
29
A study of the upper atmosphere's composition has successfully measured an increased presence of 18O, a heavier oxygen isotope with 10 instead of eight neutrons. Helmut Wiesemeyer (MPIfR Bonn) and his colleagues have measured ...
Earth Sciences
Feb 2, 2023
0
25
Cyanobacteria are single-celled organisms that derive energy from light, using photosynthesis to convert atmospheric carbon dioxide (CO2) and liquid water (H2O) into breathable oxygen and the carbon-based molecules like proteins ...
Evolution
Jan 31, 2023
0
273
Nitrogen changes form as it cycles between air, soil, and life. Soils, for example, emit nitrogen either as inert dinitrogen (N2), which dominates our atmosphere, or as nitric oxide (NO) or nitrous oxide (N2O), the greenhouse ...
Earth Sciences
Jan 30, 2023
0
9
The sun emitted a strong solar flare, peaking at 1:50 p.m. EST on Jan. 9, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured imagery of the event.
Astronomy
Jan 10, 2023
0
32
After almost 40 years circling Earth, a retired NASA science satellite plunged harmlessly through the atmosphere off the coast of Alaska, NASA reported Monday.
Space Exploration
Jan 9, 2023
0
141
Sunday at around 10:40 a.m. MT, NASA's Orion spacecraft will splash down in the Pacific Ocean after its several week-long journey to the moon and back. Space buffs can tune into NASA's livestream to witness some extreme physics—what ...
Space Exploration
Dec 9, 2022
0
74
Researchers from Ohio State University have come up with a novel method to detect dark matter, based on existing meteor-detecting technology. By using ground-based radar to search for ionization trails, similar to those produced ...
Astronomy
Nov 30, 2022
0
9
The amount of oxygen in the Earth's atmosphere makes it a habitable planet.
Earth Sciences
Nov 29, 2022
1
252
Staying in orbit can be challenging, at least for lower orbits that are more affected by Earth's atmosphere. But, such orbits also come with advantages, such as better vantage points for new commercial operations such as ...
Space Exploration
Nov 28, 2022
0
13
