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

Author Question: Most galaxies appear to be a. composed of one star and seven planets. b. inside our Milky Way. ... (Read 49 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
on: Jul 27, 2018
Most galaxies appear to be
 
  a. composed of one star and seven planets.
  b. inside our Milky Way.
  c. located on the Earth.
  d. moving toward us.
  e. moving away from us.

Question 2

About how long will a 0.5-Mo star spend on the main sequence?
 
  a. 6 billion years
  b. 62 billion years
  c. 620 million years
  d. 6 million years
  e. 600 thousand years


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mmj22343

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jul 27, 2018
Answer to Question 1

e

Answer to Question 2

b


dollx

  • Member
  • Posts: 558
Reply 2 on: Jul 27, 2018
Gracias!

xiazhe

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

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

The Sun and the Planets The Sun and the Planets
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
Mass Loss from a Supermassive Star Mass Loss from a Supermassive Star
Galaxies with Rings Galaxies with Rings
The ribosomes themselves are composed of RNA strands. The ribosomes themselves are composed of RNA strands.
Galaxies Galaxies
Video: Fetal Development of the Cardiovascular System

For a complete list of videos, visit our video library