Physics, 15.06.2021 16:10 lolhgb9526
What observational evidence supports the conclusion that most of the mass of the Milky Way is in the form of dark matter? Although dark matter emits no visible light, we have detected it with radio telescopes. The orbital speeds of stars and gas clouds far from the galactic center are surprisingly high, suggesting that these stars and gas clouds are feeling gravitational effects from unseen matter. There is no observational evidence; it is only a theoretical idea based on computer models indicating that the Milky Way could not have formed unless it had much more mass than it contains in stars and gas. They have directly seen dark matter with no guess work.
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Physics, 21.06.2019 21:20
An artificial satellite circles the earth in a circular orbit at a location where the acceleration due to gravity is 6.03 m/s^2. determine the orbital period of the satellite.
Answers: 3
Physics, 22.06.2019 23:00
The statue of liberty is 305.5 feet high. when the angle of elevation of the sun is 50 , what is the distance to the tip of the shadow from a point at water level and directly below the highest point of the statue?
Answers: 3
Physics, 23.06.2019 00:50
Which of the following examples illustrates static friction? a box sits stationary on a ramp. a ball rolling on the lawn eventually comes to rest. a car rounds a curve on a road. a fish swims upstream.
Answers: 1
What observational evidence supports the conclusion that most of the mass of the Milky Way is in the...
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