A blue micromoon will be visible this weekend, a rare event that won’t occur again until the end of 2028. This blue moon, defined as the second full moon in a month, will be the smallest and most distant full moon of the year, appearing 252,360 miles from Earth. Stargazers in the Northern Hemisphere will see it alongside Antares, a bright star in the constellation Scorpius. For those in the Southern Hemisphere, particularly in regions like Argentina, Chile, and parts of Australia, the blue micromoon will temporarily obscure Antares, creating a more dynamic viewing experience. While it will look about 6% smaller and 10% dimmer than an average full moon, these differences may be subtle for most observers. The Virtual Telescope Project will stream live images of the event.
Why It Matters
The occurrence of a blue moon is relatively infrequent, happening once every two to three years, which makes this event particularly noteworthy for astronomy enthusiasts. Historically, the term “blue moon” refers to the second full moon in a calendar month, not the color of the moon itself. The last blue moon occurred earlier in 2023, and the next one will not be until December 31, 2028. Understanding celestial events like the blue micromoon can enhance public interest in astronomy and contribute to educational outreach on lunar phenomena and their cycles.
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