This topic contains a solution. Click here to go to the answer

Author Question: _______________ is the rate at which a star moves across the sky. Fill in the blank(s) with ... (Read 35 times)

Engineer

  • Hero Member
  • *****
  • Posts: 527
_______________ is the rate at which a star moves across the sky.
 
  Fill in the blank(s) with correct word

Question 2

The central cores of which type of star is the lowest temperature?
 
  a. protostars.
  b. massive main-sequence stars.
  c. white dwarf stars.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blakcmamba

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

Proper motion

Answer to Question 2

a




Engineer

  • Member
  • Posts: 527
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library