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

Author Question: Does a planetary nebula have anything to do with planets? Explain. What will be an ideal ... (Read 14 times)

lracut11

  • Hero Member
  • *****
  • Posts: 536
on: Jul 27, 2018
Does a planetary nebula have anything to do with planets? Explain.
 
  What will be an ideal response?

Question 2

A historical science: Scientists in many fields can test their hypotheses by proposing and carrying out experiments in which they can change variables in a controlled fashion.
 
  Astronomers, however, cannot adjust the properties of the objects they study. In what sense, then, can astronomers still conduct experiments?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

memslove

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 27, 2018
Answer to Question 1

While these nebulae expelled by highly evolved red giants might look like greenish disks in some cases, they have nothing to do with planets.

Answer to Question 2

Astronomers can see how well their ideas match existing data, and can make predictions for the outcome of future observations.


lracut11

  • Member
  • Posts: 536
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Dwarf Planets Dwarf Planets
Accretion of the Inner Planets Accretion of the Inner Planets
The Crab Nebula and Pulsar The Crab Nebula and Pulsar
Please fully explain the answer with steps Please fully explain the answer with steps
If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas? If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas?
Planets Planets
Video: Introduction to Sickle Cell Anemia

For a complete list of videos, visit our video library