Select the correct answer. which occurrence would contradict the big bang theory? a. over time, distant galaxies move progressively closer to earth. b. a scientist discovers a black hole outside the milky way galaxy. c. the average temperature of the universe decreases. d. a scientist discovers a planet that is about 10 million years old.
The big bang suggests that the universe is constantly expanding.Distant galaxies moving closer would mean that the universe is constantly contracting instead of expending which contradicts the statement.
*drag each tile to the correct location in the sequence* the table shows chronological events in the life of our sun, a medium-sized star. place the missing events into the correct rows of the table.
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.