« previous next »

Author Question: Tonight, your telescope shows you RXJ1800, a galaxy, very near in the sky to the bright star Vega. ... (Read 69 times)

abern

  • Hero Member
  • *****
  • Posts: 533
on: Jul 27, 2018
Tonight, your telescope shows you RXJ1800, a galaxy, very near in the sky to the bright star Vega. What can you conclude from this observation?
 
  A) Vega and RXJ1800 must be very close to each other, less than a few light years.
  B) RXJ1800 and Vega will drift apart from each other on the sky, over a matter of nights.
  C) Vega orbits the center of mass of RXJ1800.
  D) RXJ1800 and Vega will set in the west, at very similar times.

Question 2

Type Sc are the dustiest and flattest of the galaxies.
 
  Indicate whether the statement is true or false


cswans24

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

star cluster NGC 6604 star cluster NGC 6604
Buying a Telescope Buying a Telescope
Electron microscopy of mRNA-template DNA hybrids shows that introns are spliced Electron microscopy of mRNA-template DNA hybrids shows that introns are spliced
Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ... Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ...
Einstein telescope Einstein telescope
An inventory record sheet shows a balance on hand of 972. During the month units sold were 111, ... An inventory record sheet shows a balance on hand of 972. During the month units sold were 111, ...
Video: Spinal Cord Injury Animation

For a complete list of videos, visit our video library