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

Author Question: Star A has an apparent magnitude of 3 and Star B has an apparent magnitude of 5. Which star is ... (Read 84 times)

xroflmao

  • Hero Member
  • *****
  • Posts: 515
on: Jul 27, 2018
Star A has an apparent magnitude of 3 and Star B has an apparent magnitude of 5. Which star is brighter in our sky?
 
  A) Star A
  B) Star B
  C) The two stars have the same brightness in our sky, but Star A is closer to us than Star B.
  D) There is not enough information to answer the question.

Question 2

The Chandra X-Ray Observatory must operate in space because
 
  A) X-rays are too dangerous to be allowed on the ground.
  B) X-rays do not penetrate Earth's atmosphere.
  C) X-ray telescopes require the use of grazing incidence mirrors.
  D) It was built by NASA.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

marict

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


xroflmao

  • Member
  • Posts: 515
Reply 2 on: Jul 27, 2018
Wow, this really help

hollysheppard095

  • Member
  • Posts: 339
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

The Structure of an Old High-Mass Star The Structure of an Old High-Mass Star
Magnitude of Geologic Time Magnitude of Geologic Time
Black Hole and Companion Star Black Hole and Companion Star
Calculate the magnitude and direction of the resultant for Calculate the magnitude and direction of the resultant for
Determined the magnitude of the magnetic force on the conductor. Determined the magnitude of the magnetic force on the conductor.
Sea star Sea star
Video: EpiPen Animation (Part 2)

For a complete list of videos, visit our video library