This Star is Blasting Out a Concentrated Jet of Material at 500 km/s

MWC 349A is a star about 3,900 light-years away in the constellation Cygnus. It's huge, about 38 times as massive…

1 year ago

Evidence is Building that the Standard Model of the Expansion of the Universe Needs some new Ideas

Astronomers have measured the Hubble constant using astrophysical masers, and the result makes our understanding of cosmic expansion even worse.

4 years ago