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

Author Question: The brightest stars of a young open cluster will be: A) Cepheid variables. B) massive blue main ... (Read 40 times)

jCorn1234

  • Hero Member
  • *****
  • Posts: 545
on: Jul 27, 2018
The brightest stars of a young open cluster will be:
 
  A) Cepheid variables.
  B) massive blue main sequence stars.
  C) red giants.
  D) yellow main sequence stars like the Sun.
  E) T Tauri variables.

Question 2

How does the data from ALMA provide direct evidence for nebular theory?
 
  A) It shows concentric gaps in the disk which are almost certainly regions being cleared as planets form.
  B) We can see large planets forming.
  C) The amount of energy being radiated by the star system indicates there must be planets present.
  D) Data from ALMA does not support nebular theory, instead it is causing scientists to revise the theory.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chreslie

  • Sr. Member
  • ****
  • Posts: 307
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

A


jCorn1234

  • Member
  • Posts: 545
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Massive amounts of wood are stored on the forest floor of old-growth temperate coniferous forests of Massive amounts of wood are stored on the forest floor of old-growth temperate coniferous forests of
Open space is found in a Lodgepole pine stand after thinning. Open space is found in a Lodgepole pine stand after thinning.
Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
Large Wolf Spider with young in Michigan Large Wolf Spider with young in Michigan
Albatrosses brood young chicks until they are large enough to thermoregulate. Albatrosses brood young chicks until they are large enough to thermoregulate.
Children in Baltimore (1909) pull the stringy parts from beans in preparation for canning. Photograp Children in Baltimore (1909) pull the stringy parts from beans in preparation for canning. Photograp
Video: Neurosynapse Animation

For a complete list of videos, visit our video library