« previous next »

Author Question: If the change in wavelength is less than zero, then the radial velocity tells you that the star is ... (Read 61 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
on: Jul 27, 2018
If the change in wavelength is less than zero, then the radial velocity tells you that the star is moving _______________ you.
 
  a. parallel to b. away from
  c. towards d. in circles around

Question 2

The Moon physically changes its shape throughout its orbit around the Earth giving us the phases of the Moon we see.
 
  a. True
  b. False
  Indicate whether the statement is true or false


brittiany.barnes

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

False
RATIONALE:


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Piercey-Normore and DePriest discovered that some lichens readily change partners. Piercey-Normore and DePriest discovered that some lichens readily change partners.
Change in air temperature at various air flow rates for a 2 pass operation Change in air temperature at various air flow rates for a 2 pass operation
Geopolitical Change of 20th-Century Europe Geopolitical Change of 20th-Century Europe
Climate Change: Greenhouse gases Timescale Climate Change: Greenhouse gases Timescale
If a graph has the following x-intercepts, which value of x is the instantaneous rate of change ... If a graph has the following x-intercepts, which value of x is the instantaneous rate of change ...
Calculate the Wavelength Calculate the Wavelength
Video: Febrile Seizure

For a complete list of videos, visit our video library