Friday, December 9, 2022

🌉 Accelerating Universe


What is the evidence for an accelerating universe?


A) White-dwarf supernovae are the same brightness regardless of redshift.

B) White-dwarf supernovae are slightly brighter than expected for a coasting universe.

✓ C) White-dwarf supernovae are slightly dimmer than expected for a coasting universe.

D) The Andromeda Galaxy is moving away from the Milky Way at an ever-increasing speed.

E) There is far more dark matter than visible matter in the universe.

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