This topic contains a solution. Click here to go to the answer

Author Question: Very accurate measurements of stellar brightnesses and sudden changes are made with a ________. ... (Read 34 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
Very accurate measurements of stellar brightnesses and sudden changes are made with a ________.
 
  Fill in the blank(s) with correct word

Question 2

Viewed from afar, the transit of Earth would cause the Sun's brightness to dim by approximately one part in
 
  A) 100.
  B) 1,000.
  C) 10,000.
  D) 100,000.
  E) a million.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kishoreddi

  • Sr. Member
  • ****
  • Posts: 329
    • Your online Help in Biology and chemistry
Answer to Question 1

photometer.

Answer to Question 2

C




Awilson837

  • Member
  • Posts: 509
Reply 2 on: Jul 27, 2018
Wow, this really help


nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Gracias!

 

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

For a complete list of videos, visit our video library