OMG science
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11 hours agoAstronomers Discover Major Clue About 3I/ATLAS' Origins
3I/ATLAS, an interstellar visitor, likely originated from a cold region of the Milky Way, containing high amounts of heavy water.
A black moon occurs when there is a second new moon in a calendar month, or when there is a third new moon in a season of four new moons.
On the evenings of July 3-4, Mercury will reach its eastern elongation, appearing above the western horizon soon after sunset, with orange-tinged Mars above it.