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 102 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?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Earth Latitude Tilt Earth Latitude Tilt
The greenhouse effect: heat trapping by earth's atmosphere. The greenhouse effect: heat trapping by earth's atmosphere.
The Moon’s Interior The Moon’s Interior
Hints of Earth’s Early Appearance Hints of Earth’s Early Appearance
Distance from Earth to Sun schematic Distance from Earth to Sun schematic
Obliquity "Tilt of Earth on its axis" Obliquity "Tilt of Earth on its axis"
Video: Blood Pressure Measurement

For a complete list of videos, visit our video library