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

Author Question: Astronomers measure stellar distances in three different units. The smallest of these is a. the ... (Read 126 times)

SO00

  • Hero Member
  • *****
  • Posts: 568
on: Jul 28, 2018
Astronomers measure stellar distances in three different units. The smallest of these is
 a. the light-year.
  b. the absolute magnitude.
  c. the astronomical unit.
  d. the parsec.

Question 2

For a specific element, photons of how many different energies could be emitted by electrons in the n = 6 level as they return to the n = 1 level?
 a. 15
  b. 21
  c. 6
  d. 1


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sophiapenny

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

a


SO00

  • Member
  • Posts: 568
Reply 2 on: Jul 28, 2018
Excellent

yeungji

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Stellar Size and Spectra Stellar Size and Spectra
Wintrobe tube and Westergren tests are used to measure the ESR. Wintrobe tube and Westergren tests are used to measure the ESR.
Measure between terminal 30 and 87a. Terminal 87a is the normally closed contact, and there should ... Measure between terminal 30 and 87a. Terminal 87a is the normally closed contact, and there should ...
A Breathalyzer is used to measure a person's blood alcohol concentration (BAC) A Breathalyzer is used to measure a person's blood alcohol concentration (BAC)
Find the measure of angle L to the nearest degree Find the measure of angle L to the nearest degree
If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is
Video: Definitions of stroke volume, preload definition & Factors influencing stroke volume

For a complete list of videos, visit our video library