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

Author Question: According to our modern understanding, what is a nova? A) an explosion on the surface of a white ... (Read 263 times)

09madisonrousseau09

  • Hero Member
  • *****
  • Posts: 559
on: Jul 27, 2018
According to our modern understanding, what is a nova?
 
  A) an explosion on the surface of a white dwarf in a close binary system
  B) the explosion of a massive star at the end of its life
  C) the sudden formation of a new star in the sky
  D) a rapidly spinning neutron star

Question 2

The atmosphere of Saturn is composed mostly of
 
  A) methane and ammonia.
  B) carbon dioxide and ethane.
  C) hydrogen and helium.
  D) hydrogen sulfide and ammonia.
  E) nitrogen and oxygen.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bulacsom

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


09madisonrousseau09

  • Hero Member
  • *****
  • Posts: 559
Reply #2 on: Jul 27, 2018
Thank you!


bulacsom

  • Sr. Member
  • ****
  • Posts: 329
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Ears pulled back flat against the head with teeth bared and white of the eye showing, indicating ang Ears pulled back flat against the head with teeth bared and white of the eye showing, indicating ang
White-winged Duck or White-winged Wood Duck (Asarcornis scutulata) White-winged Duck or White-winged Wood Duck (Asarcornis scutulata)
The surface of the human brain The surface of the human brain
These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting
This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi
Children’s interactions with older siblings may help promote an understanding of other people’s ... Children’s interactions with older siblings may help promote an understanding of other people’s ...
Video: Introduction to Heart Attacks

For a complete list of videos, visit our video library