Author Question: The Great Nebula in Orion, M-42, is a low-density cloud of hot gas. Use Kirchhoff's laws to describe ... (Read 218 times)

LCritchfi · **on:** Jul 27, 2018

The Great Nebula in Orion, M-42, is a low-density cloud of hot gas. Use Kirchhoff's laws to describe its spectrum.

What will be an ideal response?

Question 2

The numbers of sunspots and their activity peak about every

A) 36 days.
B) six months.
C) year.
D) eleven years.
E) 76 years.

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

Answer to Question 1

Kirchhoff's second law notes that a hot thin gas will create an emission spectrum of bright lines through the spectroscope.

Answer to Question 2

D