Mars: How scientists solved 2,000-year-old strange rotation mystery – ‘Major achievement!’

Express.co.uk | 7/16/2019 | Callum Hoare
princia (Posted by) Level 3
Click For Photo: https://cdn.images.express.co.uk/img/dynamic/151/750x445/1153851.jpg

All eight planets in the Solar System – as well as dwarf planet Pluto – orbit the Sun and can be visible in the night sky.

Early scientists tracked planets and noticed their positions changed over time – they would start moving from west to east, then loop back from east to west.

Brian

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(Excerpt) Read more at: Express.co.uk
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