The sky on
your birthday.
Spiral Galaxies in Collision
Billions of years from now, only one of these two galaxies will remain. Spiral galaxies NGC 2207 and IC 2163 are slowly pulling each other apart, creating tides of matter and bursts of star formation. Astronomers predict that NGC 2207, the larger galaxy on the left, will eventually incorporate IC 2163, the smaller galaxy on the right. This image from the Hubble Space Telescope shows the two galaxies in mid-collision.
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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 November 2004 · Eye of the Sahara, Mauritania See it as a poster -
Released on 21 November 2022 Hubble Hunts an Unusual Galaxy See it as a poster -
Released on 21 November 2012 Bridging Cities of Galaxies See it as a poster -
Released on 21 November 2016 Hubble spies NGC 3274 See it as a poster -
Released on 21 November 2022 The Butterfly Nebula from Hubble See it as a poster -
Released on 21 November 2020 Earth's limb, or horizon, is pictured from the International Space Station as it orbited above the Pacific Ocean off See it as a poster
In tropical astrology, 21 NOV 2004 falls under Scorpio (♏). The sign's window runs from 10-23 through 11-21. Scorpio is marked by Antares, a red supergiant the size of Mars's orbit. The Sun was crossing this region of the sky on 21 NOV 2004.
Questions about November 21, 2004
What space photo was released on November 21, 2004?
NASA's Astronomy Picture of the Day for November 21, 2004 was "Spiral Galaxies in Collision". It's the card at the top of this page.
What was the Moon's phase on November 21, 2004?
A first quarter moon, about 66% lit.
What day of the week was November 21, 2004?
November 21, 2004 was a Sunday, day 326 of the 366 days in 2004.
What did the Sun and the Earth look like on November 21, 2004?
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.