Author Question: Why might we suspect that a black hole in a binary system could emit X-rays? What will be an ... (Read 45 times)

FButt · **on:** Jul 27, 2018

Why might we suspect that a black hole in a binary system could emit X-rays?

What will be an ideal response?

Question 2

Why would parallaxes be easier to observe if Earth were farther from the Sun?

What will be an ideal response?

micaelaswann · **Reply #1 on:** Jul 27, 2018

Answer to Question 1

If matter flows into a black hole, it will whirl through an accretion disk and become hot enough to emit X-rays before it reaches the event horizon.

Answer to Question 2

Then the baseline of the triangle would be larger, and the parallax angle would be greater.