This was
your sky.
Star Party Trails
Star trails are what you get when you leave a camera shutter open for a long time. The stars appear to move across the sky as the Earth rotates, drawing arcs of light. This photo captures the fun of a star party, where amateur astronomers gather to share views through their telescopes. These events are a great way to experience the night sky.
We cannot put this date's photograph on paper at poster size. We can print the nearest public archive plate to your date instead.
Prints are coming soon. The card is free to save and share in the meantime.
Released on your day
Space pictures released on your month and day in other years, or a few days either side. Each one is sharp enough to print as a poster.
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Released on 21 May 2026 A Collision of Galaxy Clusters See it as a poster -
Released on 21 May 2015 NGC 6240: Merging Galaxies See it as a poster -
Released on 21 May 2025 City lights dot the southern United States' landscape See it as a poster -
Released on 21 May 2016 The familiar "boot" shape of the county of Italy stands out in this nighttime image with sparkling city lights reaching See it as a poster -
Released on 21 May 2022 The Moon, pictured the day before going into its Last Quarter phase, is seen from the International Space Station as it See it as a poster
In tropical astrology, 21 MAY 1999 falls under Gemini (♊). The sign's window runs from 05-21 through 06-20. Gemini is named for the twin stars Castor and Pollux, both bright enough to spot without a telescope. The Sun was crossing this region of the sky on 21 MAY 1999.