The sky on
your birthday.
X-Ray Stars in M15
The Chandra Observatory, with its sharp X-ray vision, revealed two X-ray stars in the core of globular cluster M15. Previously, only one such source had been seen. These X-ray sources are neutron star binary systems, each containing a city-sized neutron star orbiting a normal stellar companion.
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 Earth on your day The Earth on 20 September 2001 · Baja California See it as a poster -
Released on 20 September 2017 Wide-field image of the sky around U Antliae See it as a poster -
Released on 20 September 2005 Scarp at Head of Chasma Boreale See it as a poster -
Released on 20 September 2023 Methane Discovered on Distant Exoplanet See it as a poster -
Released on 20 September 2016 The Helix Nebula in Infrared See it as a poster -
Released on 20 September 2022 Hurricane Fiona is pictured from the International Space Station as it orbited 259 miles above the Atlantic Ocean north See it as a poster
In tropical astrology, 20 SEP 2001 falls under Virgo (♍). The sign's window runs from 08-23 through 09-22. Virgo is the largest zodiac constellation, holding the heart of the Virgo galaxy cluster. The Sun was crossing this region of the sky on 20 SEP 2001.
Questions about September 20, 2001
What space photo was released on September 20, 2001?
NASA's Astronomy Picture of the Day for September 20, 2001 was "X-Ray Stars in M15". It's the card at the top of this page.
What was the Moon's phase on September 20, 2001?
A waxing crescent moon, about 7% lit.
What day of the week was September 20, 2001?
September 20, 2001 was a Thursday, day 263 of the 365 days in 2001.
What did the Sun and the Earth look like on September 20, 2001?
NASA's Terra satellite photographed the whole Earth that day. It's 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.