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

Author Question: Define intelligent civilization according to Drake. What will be an ideal ... (Read 97 times)

Zulu123

  • Hero Member
  • *****
  • Posts: 525
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
Excellent

mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Drake - Doing It Wrong Ft. Stevie Wonder Drake - Doing It Wrong Ft. Stevie Wonder
Torso of a "priest-king," from Mohenjo-daro, Indus Valley civilization. Torso of a "priest-king," from Mohenjo-daro, Indus Valley civilization.
Children and adolescents define themselves as they get older Children and adolescents define themselves as they get older
If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas? If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas?
For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately
Video: Introduction to Photolithography - WC, BLF, PA, Hard and Soft baking

For a complete list of videos, visit our video library