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

Author Question: What is the origin of short gamma ray bursts? A) the collision of stars in the dense nuclei of ... (Read 63 times)

dbose

  • Hero Member
  • *****
  • Posts: 597
on: Jul 27, 2018
What is the origin of short gamma ray bursts?
 
  A) the collision of stars in the dense nuclei of distant galaxies
  B) new stars forming in the Milky Way
  C) very powerful supernovae occurring in distant galaxies
  D) supernovae in the Milky Way
  E) It is not known, but it may be the collision of a neutron star with a black hole.

Question 2

Sirius has a parallax of 0.38, while Alpha Centauri's is 0.77. Alpha Centauri is about ________ as Sirius.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lou

  • Sr. Member
  • ****
  • Posts: 286
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

twice as close, or half as far


dbose

  • Hero Member
  • *****
  • Posts: 597
Reply #2 on: Jul 27, 2018
Thanks


lou

  • Sr. Member
  • ****
  • Posts: 286
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Binary Stars Binary Stars
Comet Nuclei Comet Nuclei
Stars and the Interstellar Medium Stars and the Interstellar Medium
Evolution of Stars Off the Main Sequence Evolution of Stars Off the Main Sequence
Nutrient-Dense Food Choices Nutrient-dense foods provide more nutrition per calorie and fewer solid Nutrient-Dense Food Choices Nutrient-dense foods provide more nutrition per calorie and fewer solid
Possible origin of a reciprocal translocation Possible origin of a reciprocal translocation
Video: Fetal development - Weeks 9 to 38

For a complete list of videos, visit our video library