What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions by Randall Munroe

Author:Randall Munroe
Language: eng
Format: mobi, epub, azw3
Tags: Non-Fiction, Humor, Science, Illustrated, Physics, Popular Science
ISBN: 9780525537120
Publisher: Penguin Random House LLC
Published: 2022-09-13T00:00:00+00:00

If something comparable in size to a moon or planet hits us, it could drastically change the length of the day, at the cost of much greater destruction. We think the Moon was probably created from debris when a Mars-size object hit the Earth as it formed. That impact probably made a big change to the length of the day. In a sense, it also made an even bigger change to the length of the month . . .

. . . by creating months in the first place.

44. SPIDERS VS. THE SUN

Which has a greater gravitational pull on me: the Sun or spiders? Granted, the Sun is much bigger, but it is also much farther away, and as I learned in high school physics, the gravitational force is proportional to the square of the distance.

—Marina Fleming

In the literal sense, this question is totally reasonable, although it would be easy to rephrase it to be completely incoherent.

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