« previous next »

Author Question: Because of its high mean density and magnetic field, Mercury's large core must be made chiefly of ... (Read 20 times)

azncindy619

  • Hero Member
  • *****
  • Posts: 562
on: Jul 27, 2018
Because of its high mean density and magnetic field, Mercury's large core must be made chiefly of ________.
 
  Fill in the blank(s) with correct word

Question 2

Binary black holes have much higher masses than their white dwarf and neutron star counterparts, which should lead to a much stronger emission of gravitational waves.
 
  What is the most reasonable explanation for why we have not yet observed gravitational waves from black-hole binaries? A) Black hole binaries are very rare, and wave detection is difficult.
  B) The waves disappear into the black hole.
  C) The waves must be coming from very far away and haven't reached us yet.
  D) Our current theories must be wrong.


Ashley I

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

iron

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

The Tsavo Man-Eaters on display in the Field Museum of Natural History in Chicago, Illinois. The Tsavo Man-Eaters on display in the Field Museum of Natural History in Chicago, Illinois.
Male lying supine with large ecchymosis on lateral rib cage and shoulder. Male lying supine with large ecchymosis on lateral rib cage and shoulder.
Large Octopus Large Octopus
Matching Magnetic Signatures—Stripes Matching Magnetic Signatures—Stripes
A simple and easy-to-use tester can be made from a lighter plug and double banana plug that fits ... A simple and easy-to-use tester can be made from a lighter plug and double banana plug that fits ...
Opener A field of pumpkins, where size is under the influence of additive alleles Opener A field of pumpkins, where size is under the influence of additive alleles
Video: Mendel's pea plant, Pisum sativum experimental

For a complete list of videos, visit our video library