During this phase, the sun makes a transition from burning hydrogen in the core to burning hydrogen around the core, which has been converted into helium by hydrogen burning. The energy production ...

Neutrinos generated through solar fusion reactions travel effortlessly through the sun's dense core. Each specific fusion ...

The discovery that inert helium can form bonds with iron may reshape our understanding of Earth’s history. Researchers from ...

The James Webb Space Telescope is investigating the Flame Nebula, hunting for "failed stars" to better understand how brown ...

The line became known as the main sequence. Competing groups of astronomers came up with different ways to categorize main ...

Evans found that the 4686 series and the Pickering series can be obtained in a helium spectrum showing no trace of the ordinary hydrogen lines. These series were observed a few years ago by Prof.