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

Author Question: The total energy emitted by the brightest nova explosions is about: A) 1,000 Suns. B) 50,000 ... (Read 26 times)

imanialler

  • Hero Member
  • *****
  • Posts: 539
on: Jul 27, 2018
The total energy emitted by the brightest nova explosions is about:
 
  A) 1,000 Suns.
  B) 50,000 Suns.
  C) a million Suns.
  D) a billion Suns.
  E) a trillion Suns.

Question 2

Rotation curves for spiral galaxies show:
 
  A) they are slowing down.
  B) rotation speed drops off further from the nucleus.
  C) most have dark halos.
  D) most of the mass lies in the nucleus.
  E) no relation to mass.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amandanbreshears

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

C


imanialler

  • Member
  • Posts: 539
Reply 2 on: Jul 27, 2018
Wow, this really help

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Energy flows in a typical gasoline-powered car Energy flows in a typical gasoline-powered car
Energy Coupling Energy Coupling
Types of ecosystem service vs. total global value per year Types of ecosystem service vs. total global value per year
Gravitational Potential Energy for the Earth problem Gravitational Potential Energy for the Earth problem
In Falls, Energy Is Transmitted Along the Skeletal System In Falls, Energy Is Transmitted Along the Skeletal System
The total weight of Peter, David and Henry is 123 kg, Peter is 15 kg heavier than David. David ... The total weight of Peter, David and Henry is 123 kg, Peter is 15 kg heavier than David. David ...
Video: Bone cells and tissues - tissue composition and cells

For a complete list of videos, visit our video library