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

Author Question: Which of the following could not be measured by an observation that uses only imaging? A) the ... (Read 28 times)

soccerdreamer_17

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
Which of the following could not be measured by an observation that uses only imaging?
 
  A) the rate at which a variable star brightens and dims
  B) the general shape of an interstellar cloud of gas
  C) the color of a planet
  D) the brightness of a star in our sky
  E) the number of bright stars in a nearby star cluster

Question 2

In the critical universe now proposed, the ratio of matter/energy is about:
 
  A) 50:50.
  B) 27:73.
  C) 75:25.
  D) 10:90.
  E) 95:5.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcabuhat

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


soccerdreamer_17

  • Member
  • Posts: 552
Reply 2 on: Jul 27, 2018
Excellent

Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry. Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
Functional brain imaging is the major method of cognitive neuroscience. This image—taken from the ... Functional brain imaging is the major method of cognitive neuroscience. This image—taken from the ...
Naturalistic Observation Naturalistic Observation
Calculate the velocity of the red rock after collision Angle measured counterclockwise from the ... Calculate the velocity of the red rock after collision Angle measured counterclockwise from the ...
3D imaging used in dentistry 3D imaging used in dentistry
Video: Hormones and the menstrual cycle Animation

For a complete list of videos, visit our video library