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

Author Question: If you lived on the Moon how often would the Earth set below your horizon? a. Every 24 hours b. ... (Read 77 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
on: Jul 27, 2018
If you lived on the Moon how often would the Earth set below your horizon?
 
  a. Every 24 hours
  b. Once a sidereal period (27.3 days)
  c. Once a synodic period (29.5 days)
  d. Every year
  e. Never

Question 2

If the orbital velocity of an eclipsing binary is 97 km/sec and the smaller star is completely eclipsed in 2 hours, what is the diameter of the smaller star?
 
  a. 175,000 km
  b. 350,000 km
  c. 194 km
  d. 700,000 km
  e. 4656 km


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ong527

  • Sr. Member
  • ****
  • Posts: 285
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

D


melina_rosy

  • Hero Member
  • *****
  • Posts: 531
Reply #2 on: Jul 27, 2018
Thank you!


ong527

  • Sr. Member
  • ****
  • Posts: 285
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Planets, Earth and Moon Planets, Earth and Moon
The medical assistant spends many hours on the telephone assisting patients. The medical assistant spends many hours on the telephone assisting patients.
Precession: Earth’s axis rotates, or “wobbles” Precession: Earth’s axis rotates, or “wobbles”
Orbital Motion of Earth and Other Planets Orbital Motion of Earth and Other Planets
The Distribution of Water on Earth The Distribution of Water on Earth
In situ hybridization of a zebrafish embryo 48 hours after fertilization In situ hybridization of a zebrafish embryo 48 hours after fertilization
Video: ADH and the arterioles, kidneys, sweat glands and the Atrial natriuretic peptide (ANP)

For a complete list of videos, visit our video library