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 70 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
:D TYSM

zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

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?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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.

A laser-guided observation of the Milky Way Galaxy at the Paranal Observatory in Chile in 2010. A laser-guided observation of the Milky Way Galaxy at the Paranal Observatory in Chile in 2010.
Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt. Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt.
Examples of characteristics measured by palpation Examples of characteristics measured by palpation
Participant observation, participating and observing in a research setting, is usually supplemented ... Participant observation, participating and observing in a research setting, is usually supplemented ...
The dimensions of a typical bolt showing where sizes are measured. The dimensions of a typical bolt showing where sizes are measured.
Metastatic spread of the tumor shown with imaging techniques. Metastatic spread of the tumor shown with imaging techniques.
Video: Cellular slime mold life cycle Animation

For a complete list of videos, visit our video library