« previous next »

Author Question: Low-mass stars may become hundreds of times more luminous as giants than they were on the main ... (Read 60 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
on: Jul 27, 2018
Low-mass stars may become hundreds of times more luminous as giants than they were on the main sequence.
 
  Indicate whether the statement is true or false

Question 2

From the horizon to the observer's zenith is an angle of
 
  A) 23.5 degrees for observers at the Tropics of Cancer and Capricorn.
  B) 30 degrees for observers at a latitude of 30 degrees north.
  C) 90 degrees for everyone on the Earth.
  D) 66.5 degrees for everyone on the Earth.
  E) 0.0 degrees for an observer at the Earth's north pole.


miss.ashley

  • Sr. Member
  • ****
  • Posts: 371
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Hertzsprung-Russell diagram for a set of stars that includes the Sun Hertzsprung-Russell diagram for a set of stars that includes the Sun
Why Different Constellations Are Visible at Different Times of the Year Why Different Constellations Are Visible at Different Times of the Year
Foundations of American Education: Becoming Effective Teachers in Challenging Times Foundations of American Education: Becoming Effective Teachers in Challenging Times
Air-Mass Source Regions for North America Air-Mass Source Regions for North America
What mass of sulfur hexafluoride, SF6, has the same number of fluorine atoms as 25.0 g of ... What mass of sulfur hexafluoride, SF6, has the same number of fluorine atoms as 25.0 g of ...
Mass spectrometry for identifying an unknown protein isolated from a 2D gel Mass spectrometry for identifying an unknown protein isolated from a 2D gel
Video: Random alignment at Metaphase I Animation

For a complete list of videos, visit our video library