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 87 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?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Composition of a long bone Composition of a long bone
Entrepreneurship: Starting and Operating a Small Business (3rd Edition) Entrepreneurship: Starting and Operating a Small Business (3rd Edition)
Long division for polynomials Long division for polynomials
These findings are from Colby and Kohlberg's long-term longitudinal study These findings are from Colby and Kohlberg's long-term longitudinal study
Recently discovered members of the deep pelagic community Recently discovered members of the deep pelagic community
Video: Spermatogenesis Animation

For a complete list of videos, visit our video library