What is space made of, how fast is it expanding? - study

What is the universe made of and how fast is it expanding? These are important questions and relate to the mystery of the Hubble constant. A new study sheds light, but questions still loom ahead.

G299 was left over by a particular class of supernovas called Type Ia.

G299 was left over by a particular class of supernovas called Type Ia.

(photo credit: NASA/CXC/U.Texas)

OCTOBER 19, 2022 17:12

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