Author Question: The great contribution of Tycho Brahe was to A) observe planetary positions with sufficient ... (Read 135 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546
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
Answer to Question 1

A

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

For a complete list of videos, visit our video library