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

Author Question: In the late 1990's, it was discovered from distances of ___________ in distant galaxies that the ... (Read 53 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
on: Jul 27, 2018
In the late 1990's, it was discovered from distances of ___________ in distant galaxies that the expansion of the Universe is ___________.
 
  a. Cepheid variables; accelerating
  b. Cepheid variables; decelerating
  c. supernovae; accelerating
  d. supernovae; decelerating

Question 2

Very massive stars lose their outer layers in a planetary nebula.
 
  a. True
  b. False
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sassygurl126

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

False


robinn137

  • Member
  • Posts: 544
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Excellent

« previous next »
 

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?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Piercey-Normore and DePriest discovered that some lichens readily change partners. Piercey-Normore and DePriest discovered that some lichens readily change partners.
A mother and her pups in a suburban yard in late May A mother and her pups in a suburban yard in late May
Giant Elliptical Galaxies Giant Elliptical Galaxies
The site of Messel, Germany where Darwinius masillae was discovered. The site of Messel, Germany where Darwinius masillae was discovered.
Hominin Evolution in the Mid to Late Pleistocene Hominin Evolution in the Mid to Late Pleistocene
The Global Positioning System determines the location of an object from its distances to ... The Global Positioning System determines the location of an object from its distances to ...
Video: Audiology

For a complete list of videos, visit our video library