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

Author Question: In Drake's equation, which of the following is the closest estimate for the number of stars that are ... (Read 32 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
In Drake's equation, which of the following is the closest estimate for the number of stars that are formed in the Milky Way Galaxy?
 
  A) a star a day
  B) a star a month
  C) a star a year
  D) a star a decade
  E) a star a century

Question 2

Name four ways that the interstellar medium reveals its presence.
 
  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

dpost18

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

Hot gas glows as emission nebulae. Cool dust absorbs and scatters blue light more, making the distant stars appear redder in color than their spectra indicate they should. And if the cool dust and gas is dense enough, it can block starlight entirely and be revealed by its dark profiles against the starry background. Also, the dust grains can form molecules that are picked up with microwave or radio scopes.


CQXA

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Jul 27, 2018
TY


dpost18

  • Sr. Member
  • ****
  • Posts: 345
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
Pre–Main-Sequence Stars Pre–Main-Sequence Stars
Drake - Doing It Wrong Ft. Stevie Wonder Drake - Doing It Wrong Ft. Stevie Wonder
How to create a table of values from an equation and graph How to create a table of values from an equation and graph
Genomic and fossil evidence has been used to estimate the times of divergence of human and Neanderth Genomic and fossil evidence has been used to estimate the times of divergence of human and Neanderth
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

For a complete list of videos, visit our video library