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

Author Question: The first extrasolar planets discovered are small and have long orbital periods. a. True b. ... (Read 83 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
on: Jul 27, 2018
The first extrasolar planets discovered are small and have long orbital periods.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

How do astronomers determine the distance to stars that are farther than 100 parsecs away?
 
  a. measuring the shift of the stellar parallax
 b. estimating a star's spectral type and comparing it to the spectroscopic parallax
  c. subtracting absolute from apparent magnitudes
 d. using trigonometry in the triangulation method
 e. measuring the proper motion of a star


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 27, 2018
Answer to Question 1

False

Answer to Question 2

c


Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
Reply #2 on: Jul 27, 2018
Thanks


allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Snout and mouth of sand tiger shark, showing protruding teeth and small eyes Snout and mouth of sand tiger shark, showing protruding teeth and small eyes
Seven black members of Congress in 1871 are from left to right: Senator Hiram Revels (R-MS) and Repr Seven black members of Congress in 1871 are from left to right: Senator Hiram Revels (R-MS) and Repr
Critical Periods of Development Critical Periods of Development
Types of Long-Term Memories Types of Long-Term Memories
An 8th grade class develops a linear model that predicts the number of cheerios (a small round ... An 8th grade class develops a linear model that predicts the number of cheerios (a small round ...
Long bone formation Long bone formation
Video: A timeline of the teeth (Explained - No Audio)

For a complete list of videos, visit our video library