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

Author Question: The Crab Nebula is a bright, long-lasting supernova remnant that was made by a ________ supernova. ... (Read 94 times)

altibaby

  • Hero Member
  • *****
  • Posts: 562
on: Jul 27, 2018
The Crab Nebula is a bright, long-lasting supernova remnant that was made by a ________ supernova.
 
  Fill in the blank(s) with correct word

Question 2

Comparing the densities of the Moon and Mercury, we find:
 
  A) the Moon is slightly denser than Mercury.
  B) similar in surface appearance, they are also similar in density.
  C) that density increases as we go outward from the Sun.
  D) the Moon's is similar to Earth's crust, while Mercury's is similar to the entire Earth.
  E) both are much denser than our water-covered planet.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tanna.moeller

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

type II

Answer to Question 2

D


altibaby

  • Hero Member
  • *****
  • Posts: 562
Reply #2 on: Jul 27, 2018
TY


tanna.moeller

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Elastic fibres are made of elastin, one type of structural protein found in the ECM of animal cells Elastic fibres are made of elastin, one type of structural protein found in the ECM of animal cells
Overview of material uptake and long-distance transport processes in plants Overview of material uptake and long-distance transport processes in plants
Components of a long bone. The entire long bone is on the left side accompanied by a blowup of the p Components of a long bone. The entire long bone is on the left side accompanied by a blowup of the p
The Long Valley Caldera Erupted the Bishop Ash 760,000 Years Ago The Long Valley Caldera Erupted the Bishop Ash 760,000 Years Ago
In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
Feng Mengbo, Long March: Restart. Feng Mengbo, Long March: Restart.
Video: Heart Chambers

For a complete list of videos, visit our video library