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

Author Question: The north celestial pole appears 30 above your horizon. The star Vega is on your meridian. By ... (Read 43 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
on: Jul 27, 2018
The north celestial pole appears 30 above your horizon. The star Vega is on your meridian. By studying your star charts and your clocks, you determine that Vega crossed the meridian in Greenwich (England) 3 hours ago. Where are you?
 
  A) latitude 30N, longitude 45 west
  B) latitude 30N, longitude 3 west
  C) latitude 60N, longitude 45 west
  D) It is not possible to determine your longitude from the information given.

Question 2

The origin of the erosion features seen on the surface of Mars appears to be due to
 
  A) runoff after rainfall
  B) erosion by water-rich debris flows
  C) an underground source
  D) one or more of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Mholman93

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


sabina

  • Hero Member
  • *****
  • Posts: 563
Reply #2 on: Jul 27, 2018
Thanks


Mholman93

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Betelgeuse star (Hubble) Betelgeuse star (Hubble)
The Sun as it appears from the surface of the Earth at sunrise. The Sun as it appears from the surface of the Earth at sunrise.
A Mass-Loss Star A Mass-Loss Star
Black and White Out-Migration from Virginia and North and South Carolina, 1870–1940 (in thousands) Black and White Out-Migration from Virginia and North and South Carolina, 1870–1940 (in thousands)
A star link-type network where all of the modules are connected together using splice packs. A star link-type network where all of the modules are connected together using splice packs.
Weather Typically Associated with Cold Front (North America) Weather Typically Associated with Cold Front (North America)
Video: Language Areas Animation

For a complete list of videos, visit our video library