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

Author Question: All RR Lyrae stars have about the same: A) period of six hours. B) distance of 32 light years. ... (Read 85 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
on: Jul 27, 2018
All RR Lyrae stars have about the same:
 
  A) period of six hours.
  B) distance of 32 light years.
  C) galactic location and speed.
  D) luminosity of about 100 Suns.
  E) locations in the centers of globular star clusters.

Question 2

A protostar of 20 solar masses should form a star that will stay on the main sequence twenty times longer than our Sun.
 
  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

fatboyy09

  • Sr. Member
  • ****
  • Posts: 358
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

FALSE


Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
Reply #2 on: Jul 27, 2018
Thanks


fatboyy09

  • Sr. Member
  • ****
  • Posts: 358
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Spinnbarkeit is the ability of cervical mucus to stretch a distance before breaking. Spinnbarkeit is the ability of cervical mucus to stretch a distance before breaking.
Micrographs of nerve cells taken with different types of light microscopes. Micrographs of nerve cells taken with different types of light microscopes.
Evidence that Light Travels at a Finite Speed Evidence that Light Travels at a Finite Speed
The Upper Cave at Zhoukoudian yields ages of about 25,000 years for Homo sapiens. The Upper Cave at Zhoukoudian yields ages of about 25,000 years for Homo sapiens.
Embryonic Period - 8th week Embryonic Period - 8th week
A portfolio earned -13%, 18%, 5%, 24%, and -5% in five successive years. What was the ... A portfolio earned -13%, 18%, 5%, 24%, and -5% in five successive years. What was the ...
Video: Febrile Seizure

For a complete list of videos, visit our video library