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

Author Question: A ____________ will be obtained from an observed star's spectrum that has been shifted towards ... (Read 39 times)

sam.t96

  • Hero Member
  • *****
  • Posts: 570
on: Jul 27, 2018
A ____________ will be obtained from an observed star's spectrum that has been shifted towards shorter wavelengths as the star is moving ________ us.
 
  Fill in the blank(s) with correct word

Question 2

Why don't eclipses occur at every new Moon and full Moon?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Harbringer

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 27, 2018
Answer to Question 1

blueshift, toward

Answer to Question 2

The Moon's orbit is tipped a few degrees to the plane of Earth's orbit, so at most new or full Moons, the shadows miss, and there are no eclipses. For an eclipse to occur, the Moon must be passing through the plane of Earth's orbit.


sam.t96

  • Member
  • Posts: 570
Reply 2 on: Jul 27, 2018
:D TYSM

essyface1

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int
The declining age of menarche over the past 150 years has been measured in many European countries, The declining age of menarche over the past 150 years has been measured in many European countries,
D-Glucose Spectrum D-Glucose Spectrum
UV Spectrum UV Spectrum
Two areas of reduced cortical volume and one area of increased cortical volume observed in people ... Two areas of reduced cortical volume and one area of increased cortical volume observed in people ...
Flo Hyman was a 6 foot 5 inch star on the U.S. women’s volleyball team that won a silver medal in ... Flo Hyman was a 6 foot 5 inch star on the U.S. women’s volleyball team that won a silver medal in ...
Video: Buffers definition and the role of buffer in the body

For a complete list of videos, visit our video library