Author Question: Jupiter gives back into space twice the energy it gets from the distant Sun. Where is this energy ... (Read 113 times)

james0929

  • Hero Member
  • *****
  • Posts: 586
Jupiter gives back into space twice the energy it gets from the distant Sun. Where is this energy coming from, for the most part?
 
  A) the impact energy of comets like SL-9
  B) helium rain descending into its mantle and core
  C) the slow escape of gravitational energy left from its formation
  D) the radioactive decay of U-238 in its iron-rich core, just as with the Earth
  E) the combined tidal stress of all four large Galilean moons

Question 2

Which classes of stars with large habitable zones probably don't last long enough for life to evolve to use them?
 
  What will be an ideal response?



amcvicar

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

C

Answer to Question 2

Classes O through A are all probably too short-lived for life to get technical.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

For a complete list of videos, visit our video library