How had our view of the universe changed from the beginning of mankind? What major factor determines the future of the Universe? Why? What do you think that future will be? Be specific and include references to support your answer.

Astronomy General Astronomy Universe The Future of the Universe How had our view of the universe changed from the beginning of mankind? What major factor determines the future of the Universe? Why? What do you think that future will be? Be specific and include references to support your answer. ... click for more

Black Hole

Is it possible to know what takes place inside the event horizon of a black hole? Explain and include references.

Why did ancient people describe stars as people & animals?

Why do you think ancient people took so much time to describe the stars as people and animals? (See attachment for full questions)

Explosion Model for the Formation of Clusters of Galaxies ...

How does the explosion model for the formation of the clusters of galaxies also provide an explanation for the immense voids observed in the universe? (Just need a brief explanation)

Comparing Velocity of Objects Based on Mass; Pendulum

can anyone please show me how to get started on the attached lab questions? Thanks! Part 2 (also attached) Equipment: A length of string, a compact object which can be tied to the string like a metal washer, a tack, a stopwatch or clock, and a meter or yard stick. Procedure: I. Tie your object to the string and tie or tack the other end somewhere it can swing freely, such as a shower rod or underneath a table. The string and hanging object should not drag or rub against anything. Measure in meters (or convert from inches) the distance from the approximate center of the object to the tack or knot. II. Pull the object back so that it makes a small angle with the vertical (a... click for more