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Using the Baryons Oscillation Spectroscopic Survey (BOSS) spectrograph, astronomers have discovered five new carbon-enhanced ...

The James Webb Space Telescope is now delivering what astronomers have chased for decades: a glimpse of the universe’s first generation of stars. By dissecting the light from a tiny, distant galaxy, ...

This month, we’ll talk about the relationship between a star’s spectral class and its color. But first, I have a question for you: Which constellation has the most stars of spectral class K9? The ...

Imagine you are being given an important assignment by a taskmaster with a strange sense of humor. Your job is to study a forest, but you can only work according to a rather bizarre set of rules. For ...

Observations of nearby red dwarf stars reveal rare carbon and oxygen isotopes, offering direct evidence of stellar nucleosynthesis and the chemical evolution of the Milky Way.

II. A SERIES of observations such as ours ought to add at least a little to our knowledge of the development by which the spectra of stars pass from the second class to one of the two sections of the ...