helioseismology
The Solar Radius Might Be Slightly Smaller Than We Thought
Two astronomers use a pioneering method to suggest that the size of our Sun and the solar radius may be…
5 months ago
New Simulation Reveals the Churning Interiors of Giant Stars
Stellar fusion happens at a star's core, where the enormous temperatures and pressures fuse hydrogen atoms into helium, releasing radiation.…
9 months ago
Massive Stars Mix Hydrogen in Their Cores, Causing Them to Pulse Every few Hours or Days
Blue giant stars have a convective core that allows them to shine much longer.
3 years ago
Solar astronomers can now predict future sunspots. There should be a big one in a couple of days
Predicting the appearance of a sunspot is like predicting a tornado. But astronomers are starting to do it.
3 years ago