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

Author Question: Which of these variable stars would be classified as an RR Lyrae? A) a pulsar with a period of ... (Read 96 times)

khang

  • Hero Member
  • *****
  • Posts: 569
on: Jul 27, 2018
Which of these variable stars would be classified as an RR Lyrae?
 
  A) a pulsar with a period of 0.14 seconds
  B) a K giant with a period of 14 days
  C) an M giant with a period of 140 days
  D) an F giant with a period of 14 hours
  E) a B supergiant with a period of 0.14 days

Question 2

What is unusual about the rotational (spin) and orbital periods of Venus?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Christopher

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

Venus' day is actually longer than its year. It takes longer to spin once on its axis than to complete one orbit around the Sun.


khang

  • Member
  • Posts: 569
Reply 2 on: Jul 27, 2018
Excellent

cam1229

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
A Whale shark, the world's largest fish, is classified as Vulnerable. A Whale shark, the world's largest fish, is classified as Vulnerable.
Breathe Carolina & Shanahan ft. Haliene - Stars & Moon Breathe Carolina & Shanahan ft. Haliene - Stars & Moon
How to write a sine function when given the amplitude, period, and phase shift How to write a sine function when given the amplitude, period, and phase shift
How Long Do You Ovulate After Your Period? How Long Do You Ovulate After Your Period?
Embryonic Period Embryonic Period
Video: Bulk flow - Factors that influence bulk flow

For a complete list of videos, visit our video library