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

Author Question: You would like to know if a star is coming towards you or away from you. Therefore, you will need to ... (Read 38 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
on: Jul 27, 2018
You would like to know if a star is coming towards you or away from you. Therefore, you will need to obtain the star's _______________ from its shifted spectra.
 
  Fill in the blank(s) with correct word

Question 2

Earth is closest to the Sun during the month of January. Explain then why we do not experience our hottest weather in January in the northern hemisphere.
 
  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

tkempin

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

radial velocity

Answer to Question 2

It is the tilt of the Earth on its rotational axis which gives rise to the seasons, not the relative Earth-Sun distance. In January, the northern hemisphere is tilted away from the Sun, so it is winter there.


dollx

  • Member
  • Posts: 558
Reply 2 on: Jul 27, 2018
:D TYSM

Mochi

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

The Sun is the star at the center of the Solar System. The Sun is the star at the center of the Solar System.
Betelgeuse star (Hubble) Betelgeuse star (Hubble)
Spectra of a Metal-Poor and a Metal-Rich Star Spectra of a Metal-Poor and a Metal-Rich Star
Adjust the water coming from the faucet so that the temperature is comfortable. Water too hot can ... Adjust the water coming from the faucet so that the temperature is comfortable. Water too hot can ...
Mottled Sea Star (Evasterias troschelii) eating a clam, Alaska. Mottled Sea Star (Evasterias troschelii) eating a clam, Alaska.
A sea star A sea star
Video: Hypoglycemia Animation

For a complete list of videos, visit our video library