What makes constellations?

Constellations are named after a Greek or Roman God. They were made to help sailors find their way. Now they are used to help more people find their way. In this world such help is very useful.

Friday, August 22, 2025

What If

"As part of their ongoing “What If?” series, Randall Munroe of xkcd and Henry Reich of MinutePhysics answered a viewer’s query as to what would happen if the Earth’s moon transformed into a black hole of equal mass."https://laughingsquid.com/what-if-moon-transformed-into-black-hole/?utm_source=subscribe.laughingsquid.com&utm_medium=newsletter&utm_campaign=eight-adorable-minutes-of-baby-animals-in-the-wild&_bhlid=2c4e2debbda512213cca5a90f71b84d5bfaa6fd2

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