Biology, 15.12.2020 17:00 orlando19882000
The stars at the edges of a galaxy are rotating around the galaxy’s center at the same speed as the stars in the middle of the galaxy. How does this provide evidence of dark matter?(1 point)
A- Dark matter subtracts gravity, which allows the stars to rotate at the same speed.
B- Dark matter emits the light that astronomers need to see the orbital speeds of the stars.
C-Dark matter absorbs light from outside the galaxy, allowing the light of the stars in the galaxy to show the orbital speeds of the stars.
D-Dark matter provides the gravity that allows the stars to rotate at the same speed.
Answers: 1
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To take a whiff of your favorite food, you use both? a. motor nerves and your digestive system b. sensory nerves and your immune system c. motor nerves and your skeletal system d. sensory nerves and your respiratory system
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The stars at the edges of a galaxy are rotating around the galaxy’s center at the same speed as the...
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