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 9 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

daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

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

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Sources of Energy in the United States Sources of Energy in the United States
Fossil Fuels Energy Yield and Pollutants—Comparison Fossil Fuels Energy Yield and Pollutants—Comparison
Effects of Living in Total Darkness on Monoaminergic Systems Effects of Living in Total Darkness on Monoaminergic Systems
Thumb, knuckle slides, and kneading (as appropriate) to energy meridians in the upper arm in 5 ... Thumb, knuckle slides, and kneading (as appropriate) to energy meridians in the upper arm in 5 ...
The oceans continue to absorb most of the excess energy trapped by greenhouse gases The oceans continue to absorb most of the excess energy trapped by greenhouse gases
An athlete stretches a spring an extra 40.0 cm beyond its initial length. How much energy has ... An athlete stretches a spring an extra 40.0 cm beyond its initial length. How much energy has ...
Video: Polysaccharides

For a complete list of videos, visit our video library