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

Author Question: The greatest inaccuracy in Copernicus' model of the solar system was that the planets a. travel ... (Read 108 times)

Tazate

  • Hero Member
  • *****
  • Posts: 532
on: Jul 27, 2018
The greatest inaccuracy in Copernicus' model of the solar system was that the planets
 
  a. travel in circular orbits with uniform motion.
  b. traveled on epicycles whose centers followed orbits around the Sun.
  c. traveled in elliptical orbits.
  d. were allowed to travel backwards in their orbits.
  e. the planets orbited the Sun.

Question 2

The proton-proton chain
 
  a. combines two hydrogen nuclei to produce a single helium nucleus and energy.
  b. splits a helium nucleus to produce 4 hydrogen nuclei and energy.
  c. is the mechanism that increases the temperature between the photosphere and corona of the sun.
  d. is the interactions between protons in Earth's atmosphere that produces auroras.
  e. produces energy in the core of the sun in the form of gamma-rays, positrons, and neutrinos.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bookworm410

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

E


Tazate

  • Member
  • Posts: 532
Reply 2 on: Jul 27, 2018
:D TYSM

skipfourms123

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Zone for Habitable Planets Zone for Habitable Planets
Timing of teratogens. Vulnerability to teratogens is greatest in the embryonic period. Source: Moore Timing of teratogens. Vulnerability to teratogens is greatest in the embryonic period. Source: Moore
How Axis Tilt Affects the Intensity of Solar Radiation How Axis Tilt Affects the Intensity of Solar Radiation
A model for initiation of E. coli DNA replication at oric A model for initiation of E. coli DNA replication at oric
Model of a complex systems Model of a complex systems
Three-Box Model Three-Box Model
Video: Methods of carbon dioxide transport - carbaminohemoglobin and bicarbonate ions

For a complete list of videos, visit our video library