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 79 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?

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?

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

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

This moose exploits the twigs and buds of woody plants for the food it needs to survive a cold north This moose exploits the twigs and buds of woody plants for the food it needs to survive a cold north
Pacific Silver Fir cone debris from feeding Douglas Squirrels, North Cascades National Park Pacific Silver Fir cone debris from feeding Douglas Squirrels, North Cascades National Park
Artist's conception of the birth of a star within a dense molecular cloud. Artist's conception of the birth of a star within a dense molecular cloud.
Star-Nosed Mole Star-Nosed Mole
The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim
In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol
Video: Hierarchical Sequencing Method - Sequence Tagged Sites

For a complete list of videos, visit our video library