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

Author Question: Far-infrared astronomy must be done from high-flying aircraft because: A) far-infrared radiation ... (Read 271 times)

imowrer

  • Hero Member
  • *****
  • Posts: 514
on: Jul 27, 2018
Far-infrared astronomy must be done from high-flying aircraft because:
 
  A) far-infrared radiation never reaches Earth's surface.
  B) far-infrared photons are highly energetic.
  C) far-infrared telescopes have zero diffraction fringe.
  D) far-infrared sources are very bright.

Question 2

A _____ has a main mirror called the primary mirror.
 
  A) reflecting telescope
  B) refracting telescope
  C) Keplerian telescope
  D) Galilean telescope


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nekcihc358

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

A


imowrer

  • Hero Member
  • *****
  • Posts: 514
Reply #2 on: Jul 27, 2018
TY


nekcihc358

  • Sr. Member
  • ****
  • Posts: 327
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

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?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Infrared sensing. Infrared sensing.
Southern flying squirrel (Glaucomys volans) of the Pteromyini Southern flying squirrel (Glaucomys volans) of the Pteromyini
Block Diagram of a High Concentrate Nitric Acid System for Dual-Stage Pressure Production of Nitric Block Diagram of a High Concentrate Nitric Acid System for Dual-Stage Pressure Production of Nitric
Changes in Radiation-Absorbing Gases Changes in Radiation-Absorbing Gases
Types of ionizing and nonionizing radiation Types of ionizing and nonionizing radiation
Video: Cataract

For a complete list of videos, visit our video library