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

Author Question: The RR Lyrae stars all have periods of: A) less than a second. B) several minutes. C) several ... (Read 19 times)

vinney12

  • Hero Member
  • *****
  • Posts: 586
on: Jul 27, 2018
The RR Lyrae stars all have periods of:
 
  A) less than a second.
  B) several minutes.
  C) several hours.
  D) several days.
  E) several weeks.

Question 2

The planet closest in size to Earth is
 
  A) Mercury.
  B) Venus.
  C) the Moon.
  D) Mars.
  E) Pluto.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Hdosisshsbshs

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


vinney12

  • Member
  • Posts: 586
Reply 2 on: Jul 27, 2018
Excellent

miss.ashley

  • Member
  • Posts: 371
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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
The two bright stars are (left) Alpha Centauri and (right) Beta Centauri. The two bright stars are (left) Alpha Centauri and (right) Beta Centauri.
Binary Stars Binary Stars
Get feedback every 5 to 7 minutes about heat intensity. Add or subtract heat barriers to maintain ... Get feedback every 5 to 7 minutes about heat intensity. Add or subtract heat barriers to maintain ...
How to convert from radians to degrees, minutes, seconds How to convert from radians to degrees, minutes, seconds
Video: Bone Healing Animation

For a complete list of videos, visit our video library