« previous next »

Author Question: Which of the following statements is true of the spectral sequence? A) It is classified in groups ... (Read 51 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
on: Jul 27, 2018
Which of the following statements is true of the spectral sequence?
 
  A) It is classified in groups labeled A through Q.
  B) M stars are cooler and fainter than L dwarfs.
  C) Y dwarfs are a class of objects with temperatures above 500 K.
  D) O stars are the hottest, and M stars are the coolest.

Question 2

In the context of main-sequence stars, which of the following statements is true of a mass-luminosity relation?
 
  A) The main-sequence stars in a Hertzsprung-Russell diagram are not ordered according to their masses.
  B) The lowest-mass stars are the hottest and brightest main-sequence stars.
  C) It is followed by giants, supergiants, and white dwarfs.
  D) The more massive a star is, the more luminous it is.


ngr69

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

A comparison of monophyletic, paraphyletic, and polyphyletic taxonomic groups. A comparison of monophyletic, paraphyletic, and polyphyletic taxonomic groups.
Transposon mutagenesis can be used to map a mutation in the genome sequence Transposon mutagenesis can be used to map a mutation in the genome sequence
Which of the following statements is true of linkage? Which of the following statements is true of linkage?
U.S. Racial-Ethnic Groups U.S. Racial-Ethnic Groups
Synthesis of polar head groups of bacterial phospholipids Synthesis of polar head groups of bacterial phospholipids
Sequence Series Arithmatic Progression Problem Sequence Series Arithmatic Progression Problem
Video: HIV Infection: Viral life cycle

For a complete list of videos, visit our video library