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

Author Question: RXJ1800, a galaxy, lies very near in the sky to the bright star Vega. What is the best explanation ... (Read 60 times)

DelorasTo

  • Hero Member
  • *****
  • Posts: 548
on: Jul 27, 2018
RXJ1800, a galaxy, lies very near in the sky to the bright star Vega. What is the best explanation for them appearing close together?
 
  A) Their random motions have caused RXJ1800 and Vega to drift to within a few light-years of each other.
  B) They coincidentally lie along the same line of sight.
  C) Vega must have recently formed in RXJ1800 and been ejected.
  D) Vega orbits the center of mass of RXJ1800.

Question 2

The striking gap between Saturn's A and B rings is called the ________.
 
  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

sarah_brady415

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

Cassini Division


DelorasTo

  • Member
  • Posts: 548
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

isabelt_18

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

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

star cluster NGC 6604 star cluster NGC 6604
Yellow Star Grass Yellow Star Grass
A Heliocentric Explanation of Retrograde Motion A Heliocentric Explanation of Retrograde Motion
Flo Hyman was a 6 foot 5 inch star on the U.S. women’s volleyball team that won a silver medal in ... Flo Hyman was a 6 foot 5 inch star on the U.S. women’s volleyball team that won a silver medal in ...
A theoretical explanation of the biochemical basis of the four eye color phenotypes A theoretical explanation of the biochemical basis of the four eye color phenotypes
A sea star A sea star
Video: Phases of the Female Reproductive Cycle - Hormonal regulation

For a complete list of videos, visit our video library