« previous next »

Author Question: What extrasolar planet discoveries were initially surprising? A) Jupiter-like planets orbiting ... (Read 60 times)

Mr3Hunna

  • Hero Member
  • *****
  • Posts: 536
on: Jul 27, 2018
What extrasolar planet discoveries were initially surprising?
 
  A) Jupiter-like planets orbiting very close to their stars
  B) planets with large eccentricities
  C) systems with only one planet
  D) A and B
  E) A and C
  F) B and C

Question 2

What is a protostar?
 
  A) a star that is still in the process of forming B) an intermediate-mass star
  C) a star that has planets D) a star in its final stage of life


nguyenhoanhat

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Mr3Hunna

  • Hero Member
  • *****
  • Posts: 536
Reply #2 on: Jul 27, 2018
Thank you!


nguyenhoanhat

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

the comet Encke riding along its pebbly trail of debris (long diagonal line) between the orbits of M the comet Encke riding along its pebbly trail of debris (long diagonal line) between the orbits of M
Jupiter Unwrapped Jupiter Unwrapped
Jupiter’s Magnetosphere Jupiter’s Magnetosphere
Location of the Planets Relative to the Sun Location of the Planets Relative to the Sun
Biodiversity and the unevenly distribution on the planet Biodiversity and the unevenly distribution on the planet
Orbits of the Planets Orbits of the Planets
Video: Wound Repair Animation

For a complete list of videos, visit our video library