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

Author Question: Which of the following would not be considered evidence for dark matter in clusters of galaxies? ... (Read 99 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
on: Jul 27, 2018
Which of the following would not be considered evidence for dark matter in clusters of galaxies?
 
  A) the total amount of stars
  B) the temperature of the intergalactic gas
  C) the velocities and radii of galaxy orbits around the center of mass in the cluster
  D) the curvature of gravitationally-lensed galaxies

Question 2

The choices below describe four hypothetical planets. Which one would you expect to have the most features of erosion? (Assume the planets orbit a star just like the Sun and that they are all the same age as the planets in our solar system.)
 
  A) Size: same as Venus. Distance from Sun: same as Mars. Rotation rate: once every 25 hours.
  B) Size: same as the Moon. Distance from Sun: same as Mars. Rotation rate: once every 10 days.
  C) Size: twice as big as Earth. Distance from Sun: same as Mercury. Rotation rate: once every 6 months.
  D) Size: same as Mars. Distance from Sun: same as Earth. Rotation rate: once every 18 hours.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bitingbit

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

A


magmichele12

  • Member
  • Posts: 559
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

Laurenleakan

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Geoffroy's tamarin has been considered a subspecies of the similar cottontop tamarin, shown abo Geoffroy's tamarin has been considered a subspecies of the similar cottontop tamarin, shown abo
Wegener’s Evidence for Continental Drift Wegener’s Evidence for Continental Drift
Model for evidence-based clinical decision making. Model for evidence-based clinical decision making.
Recognizing data clusters Recognizing data clusters
The Krapina remains may provide evidence of cannibalism by some Neadertals. The Krapina remains may provide evidence of cannibalism by some Neadertals.
Evidence of regional continuity: (a) The anatomically modern Willandra Lakes Hominid 50 calvaria fro Evidence of regional continuity: (a) The anatomically modern Willandra Lakes Hominid 50 calvaria fro
Video: Bone processes - resorption and deposition, remodeling and response to stress in adult bones

For a complete list of videos, visit our video library