More astromomical
stuff ...
This is cool because it throws some cosmogical doubt on the origin of stars in the Milky Way galaxy. All main sequence stars are mostly Hydrogen and Helium, but this one is nearly
all hydrogen (75%) and helium (25%). This means this star is extremely old - on the order of 13 billion years old - which is roughly the age of the universe, give or take a couple of billion years. Stars like this should not exist in this age - yet there it is, in our celestial neighborhood. And, according to the article, it has friends ....