The sky on
your birthday.
PG 1115+080: A Gravitational Cloverleaf
The four blue images in this photograph are all the same distant quasar, warped by the gravity of a foreground red elliptical galaxy. This gravitational lensing effect creates a 'cloverleaf' pattern. Light from the quasar travels billions of years to reach us, taking different paths around the massive galaxy.
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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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 1999 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 1999.
Questions about March 31, 1999
What space photo was released on March 31, 1999?
NASA's Astronomy Picture of the Day for March 31, 1999 was "PG 1115+080: A Gravitational Cloverleaf". It's the card at the top of this page.
What was the Moon's phase on March 31, 1999?
A full moon, about 99% lit.
What day of the week was March 31, 1999?
March 31, 1999 was a Wednesday, day 90 of the 365 days in 1999.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.