This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Stars lying above the main sequence that are relatively cool but very bright are called a. red ... (Read 13 times)

NClaborn

  • Hero Member
  • *****
  • Posts: 560
on: Jul 28, 2018
Stars lying above the main sequence that are relatively cool but very bright are called
 a. red giants.
  b. white dwarfs.
  c. brown dwarfs.
  d. pulsars.

Question 2

The lowest energy level of a hydrogen atom (n = 1) is called
 a. the ground state.
  b. the potential state.
  c. the ionization state.
  d. none of these.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bbburns21

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

a


NClaborn

  • Member
  • Posts: 560
Reply 2 on: Jul 28, 2018
:D TYSM

amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

People whose behaviors violate norms are often called mentally ill. “Why else would they do such ... People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...
Sequence of events from DNA to protein. Sequence of events from DNA to protein.
Typical sequence of tooth eruption for both deciduous and permanent teeth Typical sequence of tooth eruption for both deciduous and permanent teeth
Main arteries of the arm Main arteries of the arm
Sequence of nucleotides in a DNA molecule Sequence of nucleotides in a DNA molecule
Main Types of Dietary Lipids Main Types of Dietary Lipids
Video: The life cycle of protein

For a complete list of videos, visit our video library