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 99 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

at

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Megazostrodon, the first known mammal of the Triassic period. Megazostrodon, the first known mammal of the Triassic period.
Betelgeuse is a semiregular variable star Betelgeuse is a semiregular variable star
Embryonic Period Embryonic Period
Embryonic Period Embryonic Period
Embryonic Period - 5th week Embryonic Period - 5th week
Assume z is a standard normal random variable. What is the value of z if the area to the right ... Assume z is a standard normal random variable. What is the value of z if the area to the right ...
Video: The primary factors that affect circulation - MABP, CO and SVR

For a complete list of videos, visit our video library