A Lunar Time Machine: Secrets to our Sun’s Active Past
Could the surface of Earth’s only natural satellite hold the key to understanding early activity of our own star? Today’s paper investigates the Moon’s composition to find out more.
For habitability, two stars are not better than one
Nothing is easy when you have two stars instead of one. Under the right circumstances, it can be especially hard to hold on to your atmosphere.
Spinning Away From the Main Sequence
What’s behind the phenomenon of extended main sequence turnoffs in star clusters?
Capella’s Secrets
While you might expect astronomers to already have a complete understanding of bright stars easily visible to the naked eye like Capella, observations have historically failed to line up with stellar evolution theories. Today’s paper revisits Capella with a new suite of observations to finally uncover some of its secrets.
Hide and Seek Planets
Is CoRoT-7d real, or is it stellar activity masquerading as a planet? Haywood et al. build a noise model to analyze CoRoT-7’s activity to find out.
Can planets and stars spin in unison?
The orbits of some recently discovered exoplanets seem to be synchronised with the rotation of their host stars. Can this mystery be explained?