The sky on
your birthday.
XZ Tauri System Ejects Gas Bubble
The binary star system XZ Tauri is ejecting a hot bubble of expanding gas. The Hubble Space Telescope has documented this unusual behavior over five years. The sequence shows the beginnings of a cooling zone, where the expanding gas cools by emitting light as electrons and ions recombine.
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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 21 September 2000 · Red Sea See it as a poster -
Released on 21 September 2010 A Nebula by Any Other Name See it as a poster -
Released on 21 September 2010 In the Grip of the Scorpion Claw See it as a poster -
Released on 21 September 2015 Spiral Galaxy M96 from Hubble See it as a poster -
Released on 21 September 2020 Dark Matter Surplus See it as a poster -
Released on 21 September 2022 Neptune Wide-Field (NIRCam Image) See it as a poster
In tropical astrology, 21 SEP 2000 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 21 SEP 2000.
Questions about September 21, 2000
What space photo was released on September 21, 2000?
NASA's Astronomy Picture of the Day for September 21, 2000 was "XZ Tauri System Ejects Gas Bubble". It's the card at the top of this page.
What was the Moon's phase on September 21, 2000?
A last quarter moon, about 46% lit.
What day of the week was September 21, 2000?
September 21, 2000 was a Thursday, day 265 of the 366 days in 2000.
What did the Sun and the Earth look like on September 21, 2000?
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.