[Answered] A cluster containing a thousand or more galaxies, usually mostly ellipticals, scattered over a ...

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madam-professor

Hero Member
Posts: 584

on: Jul 27, 2018

A cluster containing a thousand or more galaxies, usually mostly ellipticals, scattered over a volume only a few Mpc in diameter is referred to as a(n) _____.

A) elliptical galaxy cluster
B) irregular galaxy cluster
C) poor galaxy cluster
D) rich galaxy cluster

Question 2

The Andromeda Galaxy has a look-back time of:

A) 4 years.
B) 2000 years.
C) 2 million years.
D) 2 billion years.

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vish98

Sr. Member
Posts: 326

Reply #1 on: Jul 27, 2018

Answer to Question 1

D

Answer to Question 2

C

madam-professor

Member
Posts: 584

Reply 2 on: Jul 27, 2018

Gracias!

sultansheikh

Member
Posts: 335

Reply 3 on: Yesterday

TYSM

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