« previous next »

Author Question: Mars has two moons, Phobos and Deimos. a. True b. False Indicate whether the statement is true ... (Read 64 times)

cherise1989

  • Hero Member
  • *****
  • Posts: 555
on: Jul 27, 2018
Mars has two moons, Phobos and Deimos.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Explain the process that creates a nova.
 
  What will be an ideal response?


Athena23

  • Sr. Member
  • ****
  • Posts: 305
Reply #1 on: Jul 27, 2018
Answer to Question 1

True

Answer to Question 2

A nova can occur when one star in a close binary system has evolved to become a white dwarf.Mass loss or evolution of the other star can result in mass transfer to the white dwarf. The hydrogen transferred onto the white dwarf accumulates and becomes degenerate. When the temperature of the deposited hydrogen reaches the temperature required for hydrogen fusion, the entire layer ignites in a very short time, creating a burst of energy. This process does not disrupt the white dwarf, and can be repeated.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

true story true story
Saturn’s Diverse Moons Saturn’s Diverse Moons
Example of an Explanation of Benefits statement. Example of an Explanation of Benefits statement.
Similar Rock Outcrops on Mars and Earth Similar Rock Outcrops on Mars and Earth
The Galilean Moons "أقمار المشتري" The Galilean Moons "أقمار المشتري"
Anterosuperior view of true pelvis (blue) Anterosuperior view of true pelvis (blue)
Video: Eczema

For a complete list of videos, visit our video library