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Here comes yesterday’s question:
Which of the following is an example of a zombie galaxy?
A. Andromeda
B. Sombrero
C. Large Magellanic Cloud
D. Sagittarius A*
This was…
SpoilerA. A zombie galaxy is a “dead” galaxy that either only has a little star formation occurring in it, or none whatsoever. Andromeda (and even our own Milky Way) are considered examples of zombie galaxies. Upon their future collision, however, that may no longer be the case.
Here comes today’s question:
A star spends 90% of its life in the main sequence phase fusing what element into what element?
A. Carbon into Oxygen
B. Iron into Nickel
C. Neon into Magnesium
D. Hydrogen into Helium