Author Question: The final core collapse of a massive star takes about 13 seconds. Indicate whether the statement ... (Read 90 times)

urbanoutfitters · **on:** Jul 27, 2018

The final core collapse of a massive star takes about 13 seconds.

Indicate whether the statement is true or false

Question 2

The term observable universe refers to

A) that portion of the universe that we have so far photographed through telescopes.
B) the portion of the universe that can be seen by the naked eye.
C) the portion of the universe that is not hidden from view by, for example, being below the horizon.
D) that portion of the universe that we can see in principle, given the current age of the universe.

C.mcnichol98 · **Reply #1 on:** Jul 27, 2018

Answer to Question 1

FALSE

Answer to Question 2

D

urbanoutfitters · **Reply #2 on:** Jul 27, 2018

Both answers were spot on, thank you once again

C.mcnichol98 · **Reply #3 on:** Jul 27, 2018

Great! Please up vote

Author Question: The final core collapse of a massive star takes about 13 seconds. Indicate whether the statement ... (Read 90 times)

urbanoutfitters

The final core collapse of a massive star takes about 13 seconds. Indicate whether the statement ...

C.mcnichol98

The final core collapse of a massive star takes about 13 seconds. Indicate whether the statement ...

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urbanoutfitters

The final core collapse of a massive star takes about 13 seconds. Indicate whether the statement ...

C.mcnichol98

The final core collapse of a massive star takes about 13 seconds. Indicate whether the statement ...