What if we used stars other than Cepheids to measure distances?
Did Aboriginal Australians notice that Betelgeuse is a variable star? Today’s paper provides additional evidence that they did.
What can the variable stars in the Magellanic Clouds tell us about how they evolve?
What sorts of variable objects can be found in a trove of infrared data?
Pulsations are the way for astronomers to probe the interior of stars. Today’s paper announces the discovery of a new class of pulsator stars. What makes them different? And what exciting new things can we learn from that?
Image credits: Paweł Pietrukowicz
The discovery of carbon-rich Mira variables in the Galactic centre could imply the existence of a number of young stars among the otherwise old Galactic bulge population.