Milky Way’s ‘thick disk’ is 2 billion years older than expected
[ad_1] Misjudging someone’s age can be awkward… especially when you’re off by a few billion years. That may be the case with our Milky Way galaxy, research published March 23 in the journal Nature suggests. In the new study, scientists inferred the ages of roughly 250,000 stars in the Milky Way using brightness, positional and…

