Author Question: Mapping the intracluster gas is best done with A) the COBE satellite in microwaves. B) the ... (Read 46 times)

danielfitts88 · **on:** Jul 27, 2018

Mapping the intracluster gas is best done with

A) the COBE satellite in microwaves.
B) the Arecibo radio dish.
C) the Keck telescope in the infrared.
D) the HST with hydrogen alpha light.
E) the Chandra X-ray Observatory in space.

Question 2

Which of these statements about Hubble's classification scheme for galaxies is false?

A) It represents an evolutionary sequence for galaxies (e.g., type SBa galaxies slowly turn into type SBb).
B) Sc galaxies have smaller bulges and more dusty gas than Sa galaxies.
C) It includes two broad types of spiral galaxies.
D) Low numbered elliptical galaxies are rounder than high numbered elliptical galaxies.