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 83 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?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

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?

The average office desk has 400 times more bacteria on it than a toilet.

A Golden Retriever at 12 years old A Golden Retriever at 12 years old
A light shield over an optical sensor being installed before the rotor is attached. A light shield over an optical sensor being installed before the rotor is attached.
The basic structure of an antibody molecule. Two heavy chains are joined by two light chains. The ... The basic structure of an antibody molecule. Two heavy chains are joined by two light chains. The ...
Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ... Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ...
Mount Pinatubo caused ~1˚C cooling for up to 5 years Mount Pinatubo caused ~1˚C cooling for up to 5 years
Development of the Dungeness crab (Cancer magister). The crabs live for 8 to 10 years. Development of the Dungeness crab (Cancer magister). The crabs live for 8 to 10 years.
Video: Introduction to Dysrhythmia

For a complete list of videos, visit our video library