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

Author Question: Why did the solar nebula heat up as it collapsed? A) As the cloud shrank, its gravitational ... (Read 73 times)

drink

  • Hero Member
  • *****
  • Posts: 554
on: Jul 27, 2018
Why did the solar nebula heat up as it collapsed?
 
  A) As the cloud shrank, its gravitational potential energy was converted to thermal energy.
  B) Collisions among planetesimals generated friction and heat.
  C) Radiation from other nearby stars that had formed earlier heated the nebula.
  D) Nuclear fusion occurring in the core of the protosun produced energy that heated the nebula.
  E) The shock wave from a nearby supernova heated the gas.

Question 2

Contrast the densities and compositions of the four Galilean moons.
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nyrave

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

Closer to Jupiter and dried out by its tides and radiation, Io and Europa are about as dense as our own Moon and made chiefly of rock. But larger Ganymede and Callisto are less stressed, less dense, and have extensive mantles of water and ice above their rock cores.


drink

  • Member
  • Posts: 554
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

adf223

  • Member
  • Posts: 304
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Regulation of heat exchange in the skin. Regulation of heat exchange in the skin.
Solar System Solar System
Solar Energy Solar Energy
Heat Stress and Wind Chill: Indices of Human Discomfort Heat Stress and Wind Chill: Indices of Human Discomfort
Gravitational Potential Energy for the Earth problem Gravitational Potential Energy for the Earth problem
how much energy is needed to heat 77.0g H2O(s) from -10.0 C to 0.0 C? how much energy is needed to heat 77.0g H2O(s) from -10.0 C to 0.0 C?
Video: Introduction to Herpes

For a complete list of videos, visit our video library