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

Author Question: Why do astronomers narrow their search to the habitable zone of other star systems? a. the most ... (Read 75 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
Why do astronomers narrow their search to the habitable zone of other star systems?
 
  a. the most likely place to support planets with thick atmospheres
 b. the least likely place to have zero ultraviolet radiation
 c. the most likely place with liquid water, and extraterrestrial life
 d. the most likely place to have oxygen in the atmosphere
 e. the least likely place to have wide temperature ranges on the surfaces of planets

Question 2

What is the name for the radio frequency window astronomers use to search for extraterrestrial communication?
 
  a. Drake window
  b. Phoenix waves
  c. SETI window
 d. water hole
 e. OH hole


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kedrick2014

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

d


jlmhmf

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

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

A crescent Moon and "star" A crescent Moon and "star"
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Major Wind Systems: Katabatic Winds Major Wind Systems: Katabatic Winds
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
Functional divisions of vertebrate nervous systems Functional divisions of vertebrate nervous systems
Sea Star Body Plan Sea Star Body Plan
Video: Types of antimicrobial substances (interferons & complement protein)

For a complete list of videos, visit our video library