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

Author Question: The spectral sequence sorts stars according to A) mass. B) surface temperature. C) luminosity. ... (Read 93 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
on: Jul 27, 2018
The spectral sequence sorts stars according to
 
  A) mass.
  B) surface temperature.
  C) luminosity.
  D) core temperature.
  E) radius.

Question 2

What do astronomers mean by light pollution?
 
  A) Light pollution refers to pollution caused by light industry as opposed to heavy industry.
  B) Light pollution refers to harmful gases emitted by common street lights.
  C) Light pollution refers to light used for human activities that brightens the sky and hinders astronomical observations.
  D) Light pollution refers to the lights that must be used inside major observatories and that make it difficult for astronomers' eyes to adapt to darkness.
  E) Light pollution is another name for sunlight, which makes it impossible to see stars in the daytime.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leahm14

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


Themember4

  • Member
  • Posts: 538
Reply 2 on: Jul 27, 2018
:D TYSM

bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

The Venusian Surface The Venusian Surface
Sequencing a large chromosome by individual sequence determination of cloned fragments in sequences Sequencing a large chromosome by individual sequence determination of cloned fragments in sequences
Average Surface Air Pressure – July Average Surface Air Pressure – July
8.The following table contains DNA-sequence information compiled by Marilyn Kozak (1987). The ... 8.The following table contains DNA-sequence information compiled by Marilyn Kozak (1987). The ...
Mass spectrometry of a synthetic version of collagen peptide Mass spectrometry of a synthetic version of collagen peptide
What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g? What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g?
Video: Sister chromatids of a metaphase chromosome animation

For a complete list of videos, visit our video library