Physics
Physics, 24.10.2019 22:43, expeditionofsin

How do scientists know that galaxies change over time?

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Biology, 28.07.2019 19:00, dudedude29271
100 hurry forwhat are galaxies, and what types of celestial objects do they contain?describe our own galaxy, the milky way. what famous astronomer came up with a classification scheme for galaxies? list and describe the 4 different types of galaxies.1) scientists have undertaken an extensive project of mapping the location of galaxies. what have they found regarding the distribution of galaxies?
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Geography, 11.10.2019 00:00, ayoismeisjuam
Other galaxies observed by astronomers are almost all redshifted. this means that most galaxies are moving away from our galaxy. since this is true in every direction, the galaxies are all moving away from each other. imagine that the universe is a solid ball with galaxies scattered all through it from the center to the edge. suppose the galaxies stay the same size, but the ball gets bigger. what will happen to the distance between the galaxies? a. the distances between the galaxies will change randomly depending on the galaxies' motion. b. the distances between all the galaxies will increase throughout the ball. c. the distances between only the galaxies on the surface of the ball will increase. d. the distances between the galaxies near the center of the ball will decrease.
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Physics, 24.11.2019 04:31, christophergaudette0
1. how do galaxies change over time? 2. how are galaxies created? 3. how was hubble important to our understanding of galaxies? 4. how does the milky way compare with other galaxies within the universe? 5. how do gravity and dark matter shape the galaxies and affect their environment?
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