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

Author Question: A radio signal emitted from Earth would take about A) 4 years to leave our galaxy. B) 20,000 ... (Read 21 times)

FButt

  • Hero Member
  • *****
  • Posts: 519
on: Jul 29, 2018
A radio signal emitted from Earth would take about
 
  A) 4 years to leave our galaxy.
  B) 20,000 years to leave our galaxy.
  C) 80,000 years to leave our galaxy.
  D) 100,000 years to leave our galaxy.

Question 2

The Milky Way galaxy is about
 
  A) 4 light years in diameter.
  B) 40 light years in diameter.
  C) 100 light years in diameter.
  D) 100,000 light years in diameter.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cici

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A


FButt

  • Member
  • Posts: 519
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

tandmlomax84

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror
Preschool: 3–6 years. Preschool: 3–6 years.
Memory saver. The part numbers represent components from Radio Shack®. Memory saver. The part numbers represent components from Radio Shack®.
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
Geothermal energy and powers Earth’s systems Geothermal energy and powers Earth’s systems
Earth’s Early Atmosphere Earth’s Early Atmosphere
Video: Virtual Enzyme Kinetics & Lineweaver Burk Plot

For a complete list of videos, visit our video library