98.5% of the Sun is made up of two light chemical elements, hydrogen and helium, while the remaining 1.5% consists of other heavier elements such as carbon, oxygen, and iron. The abundance of these ...
Astronomers are rethinking what looks like the Milky Way’s quieter neighborhood, as new analysis of nearby gas clouds points ...
Astronomers using NASA’s Chandra X-ray Observatory have captured an unprecedented image of a stellar bubble surrounding a ...
98.5% of the Sun is made up of two light chemical elements, hydrogen and helium, while the remaining 1.5% consists of other heavier elements such as carbon, oxygen, and iron. The abundance of these ...