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

Author Question: Light from Proxima Centauri takes 4.2 years to reach Earth. Indicate whether the statement is ... (Read 77 times)

biggirl4568

  • Hero Member
  • *****
  • Posts: 551
on: Jul 27, 2018
Light from Proxima Centauri takes 4.2 years to reach Earth.
 
  Indicate whether the statement is true or false

Question 2

What role did Frank Drake play in SETI?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kingdude89

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 27, 2018
Answer to Question 1

True

Answer to Question 2

Frank Drake developed the equation that attempts to provide the number of technological, intelligent civilizations now present in the Galaxy by breaking it up into 7 different factors that might be individually analyzed.


biggirl4568

  • Member
  • Posts: 551
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

recede

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
Example of Reconciling a Bank Statement Example of Reconciling a Bank Statement
Interactions of Light and Matter Interactions of Light and Matter
An overlapping record extends back thousands of years of tree ring width An overlapping record extends back thousands of years of tree ring width
Earth-Moon-Sun Positions during the Spring Tide Earth-Moon-Sun Positions during the Spring Tide
A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each ... A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each ...
Video: Sigmoidoscopy

For a complete list of videos, visit our video library