The sky on
your birthday.
“Twilight in a Western Sky” is copyrighted by Stan Honda. NASA has permission to show it and we don't, so it isn't on this card.
See it on NASA's siteA slender crescent Moon, Venus, and Mercury line up near the western horizon in this March 18 twilight sky. The atmospheric skyscape was captured above the crags of Big Bend National Park in southwest Texas. Fainter Mercury is visible at the far right of the trio.
The Sun on 31 March 2018
NASA SDO took this picture on 31 March 2018, the day itself, not a release date.
We cannot put this date's photograph on paper at poster size. We can print the nearest public archive plate to your date instead.
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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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The Sun on your day The Sun on 31 March 2018 See it as a poster -
The Earth on your day The Earth on 31 March 2018 · Gobi Desert See it as a poster -
Released on 31 March 2010 Around the star-formation region Gum 19 (RCW 34) See it as a poster -
Released on 31 March 2025 A galaxy that gives great feedback See it as a poster -
Released on 31 March 2021 M87's Central Black Hole in Polarized Light See it as a poster -
Released on 31 March 2016 The galactic centre See it as a poster -
Released on 31 March 2005 Hubble spies cosmic dust bunnies See it as a poster
In tropical astrology, 31 MAR 2018 falls under Aries (♈). The sign's window runs from 03-21 through 04-19. Aries is the constellation traditionally tied to spring's arrival in the northern hemisphere. The Sun was crossing this region of the sky on 31 MAR 2018.
Questions about March 31, 2018
What space photo was released on March 31, 2018?
NASA's Astronomy Picture of the Day for March 31, 2018 was "Twilight in a Western Sky". It's a photographer's copyrighted image, so we link to it on NASA's site and show the Sun or the Earth that day instead.
What was the Moon's phase on March 31, 2018?
A full moon, about 100% lit.
What day of the week was March 31, 2018?
March 31, 2018 was a Saturday, day 90 of the 365 days in 2018.
What did the Sun and the Earth look like on March 31, 2018?
NASA's Solar Dynamics Observatory photographed the Sun that day, and NASA's Terra satellite photographed the whole Earth. Both are on this page, next to the card.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.