Describe at least three ways in which our solar system would be different if orbital resonances had never been important

What will be an ideal response?


Many possible answers; without orbital resonances: (1 ) The asteroids might have accreted into a single planet between Mars and Jupiter. (2 ) Comet orbits would not be nudged, so comets would not collide as frequently with Earth. (3 ) From the previous two ideas, Earth would not have been as heavily impacted. (4 ) Earth would not have received as many volatiles from the outer solar system. (5 ) Saturn's rings would not be broken into rings and gaps. (6 ) The asteroid belt would not have gaps. (7 ) Kuiper-belt objects would not clump into orbital groups. (8 ) Pluto and other Kuiper-belt objects would not be prevented from colliding with Neptune. (9 ) Io, Europa, and Ganymede would not be geologically active.

Physics & Space Science

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The brakes in a car work because of Pascal's principle

Indicate whether the statement is true or false

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When air is cooled below its dew point without condensation, it is said to be

a. wet. b. dry. c. supersaturated. d. unsaturated.

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Free Fall: A rock is projected upward from the surface of the Moon, at time t = 0 s, with an upward velocity of 30.0 m/s. The acceleration due to gravity at the surface of the Moon is 1.62 m/s2, and the Moon has no atmosphere. The height of the rock when it is descending with a speed of 20.0 m/s is closest to

A. 115 m. B. 125 m. C. 135 m. D. 145 m. E. 154 m.

Physics & Space Science

Which of the following radiations has the longest wavelength?

a. Infrared b. Visible c. Ultraviolet d. X-rays

Physics & Space Science