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

Author Question: Most nearby stars move relative to the Sun at speeds below about 30 km/s. Suppose you observe a ... (Read 36 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Jul 27, 2018
Most nearby stars move relative to the Sun at speeds below about 30 km/s. Suppose you observe a nearby star that is moving much faster than this (say, 300 km/s). Which of the following is a likely explanation for its high speed?
 
  A) It has been pushed to high speed by the shock wave from a nearby supernova.
  B) It is a very young star, recently formed.
  C) It is probably a halo star that is currently passing through the disk.
  D) It is a very high mass star.

Question 2

The brightest active galaxies are giant ellipticals.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mmpiza

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


ssal

  • Member
  • Posts: 572
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

hramirez205

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Relative Ventricular Size in Chronic Schizophrenics and Controls Relative Ventricular Size in Chronic Schizophrenics and Controls
Stars and constellations Stars and constellations
If the coil is working, the end of the magnetic pickup tool will move with the changes in the ... If the coil is working, the end of the magnetic pickup tool will move with the changes in the ...
IPCC Temperature Increase Predictions Relative to 1986-2005 IPCC Temperature Increase Predictions Relative to 1986-2005
Brushing off to finish-front. Move to the front and place the person’s hands on his or her knees. ... Brushing off to finish-front. Move to the front and place the person’s hands on his or her knees. ...
Daily Variations in Temperature and Relative Humidity Daily Variations in Temperature and Relative Humidity
Video: Stroke volume

For a complete list of videos, visit our video library