Aluminum is a highly reactive metal that can strip oxygen from water molecules to generate hydrogen gas. Its widespread use in products that get wet poses no danger because aluminum instantly reacts with air to acquire a ...
Nanomaterials
Feb 18, 2022
2
779
Astronomers have identified two different cases of "mini-Neptune" planets that are losing their puffy atmospheres and likely transforming into super-Earths. Radiation from the planets' stars is stripping away their atmospheres, ...
Astronomy
Feb 3, 2022
5
878
Roughly 13.8 billion years ago, our universe was born in a massive explosion that gave rise to the first subatomic particles and the laws of physics as we know them. About 370,000 years later, hydrogen had formed, the building ...
Astronomy
Jan 6, 2022
31
196
An innovative approach could turn nanoparticles into simple reservoirs for storing hydrogen. The highly volatile gas is considered a promising energy carrier for the future, which could provide climate-friendly fuels for ...
Materials Science
Dec 27, 2021
10
290
Tiny microbes belching toxic gas helped cause—and prolong—the biggest mass extinction in Earth's history, a new study suggests.
Earth Sciences
Dec 20, 2021
3
763
Hydrogen is one of the most abundant elements in the universe.
Analytical Chemistry
Dec 15, 2021
0
189
The Flame Nebula, also called NGC 2024, is a large star-forming region in the constellation Orion that lies about 1,400 light-years from Earth. It's a portion of the Orion Molecular Cloud Complex, which includes such famous ...
Astronomy
Nov 24, 2021
0
27
The Prawn Nebula is a massive stellar nursery located in the constellation Scorpius, about 6,000 light years from Earth. Though the nebula stretches 250 light-years and covers a space four times the size of the full moon, ...
Astronomy
Nov 22, 2021
0
36
The Snowman Nebula is an emission nebula that resides in the constellation Puppis in the southern sky, about 6,000 light-years away from Earth. Emission nebulae are diffuse clouds of gas that have become so charged by the ...
Astronomy
Nov 10, 2021
0
20
N44 is a complex nebula filled with glowing hydrogen gas, dark lanes of dust, massive stars, and many populations of stars of different ages. One of its most distinctive features, however, is the dark, starry gap called a ...
Astronomy
Nov 3, 2021
0
25
