« previous next »

Author Question: The great contribution of Tycho Brahe was to A) observe planetary positions with sufficient ... (Read 130 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
The great contribution of Tycho Brahe was to
 
  A) observe planetary positions with sufficient accuracy that later enabled Kepler to discover the laws of planetary motion.
  B) discover four moons orbiting Jupiter, thereby lending strong support to the idea that the Earth is not the center of the universe.
  C) offer the first detailed model of a Sun-centered solar system, thereby beginning the process of overturning the Earth-centered model of the Greeks.
  D) discover that planets orbit the Sun in elliptical orbits with varying speed.

Question 2

Massive-star supernovae and white-dwarf supernovae work equally well as standard candles for measuring cosmic distances.
 
  Indicate whether the statement is true or false


kalskdjl1212

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

cdr_15

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


kalskdjl1212

  • Sr. Member
  • ****
  • Posts: 353
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

The Great Red Spot The Great Red Spot
Positions for examination Positions for examination
Cai Guo-Qiang, Project to Extend the Great Wall of China by 10,000 Meters: Project for ... Cai Guo-Qiang, Project to Extend the Great Wall of China by 10,000 Meters: Project for ...
Joseph Paxton, Interior, Crystal Palace, Great Exhibition, London. Joseph Paxton, Interior, Crystal Palace, Great Exhibition, London.
Courtyard of the Great Mosque of Damascus. Courtyard of the Great Mosque of Damascus.
Reconstruction of the Great Lyre with Bull’s Head Reconstruction of the Great Lyre with Bull’s Head
Video: Acid-base imbalances - compensation of metabolic acidosis and alkalosis

For a complete list of videos, visit our video library