J0811+4730 tagged posts

Oxygen-deficient dwarf galaxy hints at makings of early universe . The tiny star-forming galaxy, dubbed J0811+4730, is a proxy for primordial galaxies. Credit: University of Virginia

A recently discovered dwarf galaxy in the constellation Lynx may serve well as a proxy for better understanding the developing chemistry of the early universe, according to a research team that includes University of Virginia astronomers. Their new finding shows that the oxygen level in the little galaxy is the lowest yet discovered in any star-forming galaxy, likely resembling early nascent galaxies.

Astronomers know that the first galaxies during their forming stages were chemically simple – primarily made up of hydrogen and helium, elements made in the Big Bang during the first three minutes of the univer...