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

Author Question: A star's luminosity is the A) total amount of energy that the star radiates each second. B) ... (Read 95 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
on: Jul 27, 2018
A star's luminosity is the
 
  A) total amount of energy that the star radiates each second.
  B) total amount of energy that the star will radiate over its entire lifetime.
  C) surface temperature of the star.
  D) lifetime of the star.
  E) apparent brightness of the star in our sky.

Question 2

The stars in our sky twinkle in brightness and color because of ________.
 
  A) rapid changes in the brightnesses and colors of stars caused by changes in their spectra
  B) turbulence in the Earth's atmosphere
  C) the bubbling and boiling of gases on the surfaces of stars
  D) light pollution


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

GCabra

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


NguyenJ

  • Member
  • Posts: 516
Reply 2 on: Jul 27, 2018
Excellent

bbburns21

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

The first five reactions constitute the energy-investment phase of glycolysis The first five reactions constitute the energy-investment phase of glycolysis
Renewable Energy Sources Globally Renewable Energy Sources Globally
Energy Balance Is Achieved When Energy (Calories) In Equals Energy (Calories) Out Energy Balance Is Achieved When Energy (Calories) In Equals Energy (Calories) Out
Energy Resources: Fossil Fuels Energy Resources: Fossil Fuels
Total parenteral nutrition through a catheter in the right subclavian Total parenteral nutrition through a catheter in the right subclavian
Smooth Brittle Star. Smooth Brittle Star.
Video: Dissociative Disorders (Part 1)

For a complete list of videos, visit our video library