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 42 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?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Shooting star Shooting star
Spectra of a Metal-Poor and a Metal-Rich Star Spectra of a Metal-Poor and a Metal-Rich Star
Frank Gehry, Guggenheim Museum Bilbao, North Elevation. Frank Gehry, Guggenheim Museum Bilbao, North Elevation.
West facade, Cha1134–1220; south spire, ca. 1160; north spire 1507–13. West facade, Cha1134–1220; south spire, ca. 1160; north spire 1507–13.
Arctic Oscillation and North Atlantic Oscillation Arctic Oscillation and North Atlantic Oscillation
Southwest Asia and North Africa Southwest Asia and North Africa
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library