« previous next »

Author Question: The great contribution of Tycho Brahe was to A) observe planetary positions with sufficient ... (Read 134 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?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

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

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

The FDA recognizes 118 routes of administration.

Distribution of the African great apes. Distribution of the African great apes.
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
During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc
Place sheet or towel over area to be heated. Use sufficient heat barrier for the heat source used. ... Place sheet or towel over area to be heated. Use sufficient heat barrier for the heat source used. ...
Positions for auscultation of the heart: Supine Positions for auscultation of the heart: Supine
Video: Major Elements in Biological Molecules: Proteins

For a complete list of videos, visit our video library