A coronagraph is used to study the sun, but recently NOAA's instruments caught the moon as well. To study the sun, scientists use a specialized telescope called a coronagraph. This instrument ...
The Sun and Moon exhibit nearly identical angular sizes in Earth's sky due to a coincidental ratio of their respective sizes and distances from Earth. This near-identical angular size allows for ...
If you're a moon enthusiast, you'll love this rare combination of celestial treats – a supermoon, a partial lunar eclipse, and a harvest moon – all in September. International Observe the Moon ...
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