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solar system

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The leaning Earth in its orbit around the Sun each year.

Friday is the summer solstice, the longest day of the year. We explain why.

June 16, 2025
We see the 128 new moons of Saturn with their orbits drwan in

An international team of astronomers announced recently that they had discovered 128 new, small moons orbiting the planet Saturn.  That brings the …

April 8, 2025

Astronomers around the world have been observing a small but fast object that gives every indication of coming from some other star …

December 6, 2017
solar system Archives - Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources