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

Author Question: Define intelligent civilization according to Drake. What will be an ideal ... (Read 80 times)

Zulu123

  • Hero Member
  • *****
  • Posts: 525
Define intelligent civilization according to Drake.
 
  What will be an ideal response?

Question 2

Why have very few planets with low mass (comparable to Mars or Mercury) been found?
 
  A) These small planets are very rare.
  B) Low mass planets do not produce large enough radial velocity changes in their stars.
  C) High mass planets are blocking our views of low mass planets.
  D) Hot Jupiters have ejected most low mass planets from their solar systems.
  E) Low mass planets are too far from their parent stars to receive enough light to make them visible from Earth.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Swizqar

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

Drake defined a technological civilization as a species capable of developing the technology to communicate with other species throughout the Galaxy.

Answer to Question 2

B




Zulu123

  • Member
  • Posts: 525
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


rachel

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library