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

Question

Quizplus · Accepted Answer

The Chandra X-ray Observatory is specifically designed for X-ray astronomy, which is ideal for observing the hot intracluster gas found in galaxy clusters. This gas emits strongly in the X-ray part of the spectrum, making Chandra an excellent tool for mapping its distribution.

Mapping the Intracluster Gas Is Best Done with