2. Physics and Astronomy. Please provide complete and correct solution done on c

Question

2. Physics and Astronomy. Please provide complete and correct solution done on computer or by hand. Please, emphasis on correct solution. This is all the information provided. Thank you very much.

B T/F statements 12pt for correct answer +1pt for correct explanation] 1. Dark Matter and Dark Energy are two names for the same physical phenomenon/feature a. True b. False 2. Open and globular clusters are spatially distributed in a different manner around the Milky Way. a. True b. False 3. The jets emanating from some Active Galactic Nuclei appears to be traveling at speeds that exceed the speed of light (supraluminal motion), yet this does not violate Special Relativity a. True b. False C open-ended questions [3pt] 1. The Andromeda galaxy is currently moving towards the Milky Way at a velocity of 120 km/s. Assuming that this speed will remain exactly the same throughout, in how much time will the two galaxies collide? 2. Figure 1 shows two elliptical galaxies in which core-collapse supernovae have been observed in recent years. Why was this extremely surprising for astronomers at first glance? Based on the images, how would you explain this phenomenon? NGC 2768 NGC 4589 Location of Supernova 2005cz Location of Supernova 2000ds Figure 1: Images of two elliptical galaxies in which core-collapse supernovae have been discovered

Explanation / Answer

IN Section B question No.1 Answer

b.false

Because these two words easy to confuse but both are different.

Dark matter exerts a gravitational pull on all visible matter in universe.Simply say abuot this,it attarcts.

Dark energy,about this we can say easily it repels.

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