Metallicity

HOW IT IS BUILT The methods behind it Hubble Space Telescope Globular cluster Big Bang Redshift WHAT IT CAN DO Its core abilities WHERE IT IS USED Ultra-hot Jupiter Metallicity learns · reasons · acts
How it's built
What it can do
Where it's used

Metallicity is a measure of how much of a star or galaxy consists of elements heavier than hydrogen and helium—elements that astronomers call "metals." While this might seem like a strange use of the word "metal," it reflects how physicists historically grouped the periodic table: hydrogen and helium formed in the…