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 71 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
Gracias!

alvinum

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

« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
Richmond, Virginia, lies in ruins in April 1865 at the time of Lincoln’s visit—and a few days before Richmond, Virginia, lies in ruins in April 1865 at the time of Lincoln’s visit—and a few days before
Bright rooms Bright rooms
A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di
Florometra Crinoid or Feather Star, Phylum Echinodermata. Monterey Canyon, California. Florometra Crinoid or Feather Star, Phylum Echinodermata. Monterey Canyon, California.
Video: Interview with an Anorexic Woman (Part 2 of 2)

For a complete list of videos, visit our video library