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

Author Question: The great contribution of Tycho Brahe was to ________. A) offer the first detailed model of a ... (Read 72 times)

Wadzanai

  • Hero Member
  • *****
  • Posts: 528
on: Jul 27, 2018
The great contribution of Tycho Brahe was to ________.
 
  A) offer the first detailed model of a Sun-centered solar system, thereby beginning the process of overturning the Earth-centered model of the Greeks
  B) observe planetary positions with sufficient accuracy so that Kepler could later use the data to discover the laws of planetary motion
  C) discover four moons orbiting Jupiter, thereby lending strong support to the idea that the Earth is not the center of the universe
  D) discover that planets orbit the Sun in elliptical orbits with varying speed

Question 2

Which of the following best describes how the Drake equation is useful?
 
  A) It tells us what wavelengths of light will be most useful to examine in the search for extraterrestrial intelligence.
  B) It allows us to calculate the masses of planets orbiting other stars.
  C) It has allowed us to determine the number of civilizations in the Milky Way Galaxy.
  D) It helps us understand what we need to know in order to determine the likelihood of finding other civilizations.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sierramartinez

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


Wadzanai

  • Member
  • Posts: 528
Reply 2 on: Jul 27, 2018
Gracias!

miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

A model for synthetic lethality A model for synthetic lethality
Eye Model Eye Model
Chinese workers on a railway in the far West. “Without them,” Leland Stanford, president of the Cent Chinese workers on a railway in the far West. “Without them,” Leland Stanford, president of the Cent
Three-dimensional model of DNA. Three-dimensional model of DNA.
A model for mixed inhibition A model for mixed inhibition
The ABC model of flower development The ABC model of flower development
Video: DNA fingerprinting Animation

For a complete list of videos, visit our video library