« previous next »

Author Question: Because of atmospheric refraction, a star seen near Earth's horizon is actually ____. a. slightly ... (Read 305 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
on: Jul 13, 2018
Because of atmospheric refraction, a star seen near Earth's horizon is actually ____.
   a. slightly higher than it appears
   b. slightly lower than it appears
   c. slightly brighter than it appears
   d. much further away than it appears
   e. much dimmer than it appears

Question 2

Light that travels from a less-dense to a more-dense medium ____ speed and bends ____ the normal.
   a. gains; toward
   b. loses; toward
   c. gains; away
   d. loses; away
   e. gains; either toward or away


diesoon

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 13, 2018
Answer to Question 1

ANSWER: b

Answer to Question 2

ANSWER: b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

skymedlock

  • Hero Member
  • *****
  • Posts: 561
Reply #2 on: Jul 13, 2018
Correct answers!


diesoon

  • Sr. Member
  • ****
  • Posts: 353
Reply #3 on: Jul 13, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
Balmer Lines in the Spectrum of a Star Balmer Lines in the Spectrum of a Star
Mass Loss from a Supermassive Star Mass Loss from a Supermassive Star
Mass Loss from a Supermassive Star Mass Loss from a Supermassive Star
Wave Refraction Wave Refraction
How Does Earth Work? Physical Geology and the Process of Science, 2nd Edition How Does Earth Work? Physical Geology and the Process of Science, 2nd Edition
Video: Medullary osmotic gradient - influencing factors

For a complete list of videos, visit our video library