A planet on the edge: are Saturn’s rings older than they look?
Saturn’s rings are an arresting sight even through modest telescopes. The planet is made mostly of hydrogen and helium whereas the rings are billions of pieces of mostly bright-white water ice and ...
Rare parade of seven planets visible in Minnesota sky soon
Make time soon to head outside after the sun sets and study the sky. Five of the brightest planets — Venus, Jupiter, Mars, ...
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What Is Gravity, and How Does It Work?
What did Newton understand that was such a revolution? Can someone just... explain gravity to me? Let's start with a ...
6 stunning images of Jupiter captured by NASA
This image from NASA’s Juno spacecraft captures several storms in Jupiter’s southern hemisphere (Figure A). Titanic blasts created by the impacts of comet Shoemaker-Levy 9 fragments left Jupiter with ...