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 33 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
:D TYSM

helenmarkerine

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

A long, narrow cobbled street in Old San Juan. A long, narrow cobbled street in Old San Juan.
Nutrients Are Transported through the Circulatory and Lymphatic Systems Water-soluble nutrients Nutrients Are Transported through the Circulatory and Lymphatic Systems Water-soluble nutrients
The immune response results from activation of the humoral and cell-mediated immune systems The immune response results from activation of the humoral and cell-mediated immune systems
How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ... How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ...
All human organ systems and their functions (Part 1) All human organ systems and their functions (Part 1)
Video: Atrophy

For a complete list of videos, visit our video library