The sky on
your birthday.
The Perseus Cluster's X-Ray Skull
The Perseus Cluster of Galaxies, seen here in X-rays by the Chandra Observatory, is 320 million light-years away. This image doesn't show individual galaxies, but instead reveals a 50-million-degree cloud of gas. This intracluster gas is more massive than all the cluster's thousands of galaxies combined. From this perspective, the voids and filaments within the gas create a skull-like appearance.
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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 31 October 2000 · Pilbara, Western Australia See it as a poster -
Released on 31 October 2022 The Vela supernova remnant imaged by the VLT Survey Telescope See it as a poster -
Released on 31 October 2024 The Dark Wolf Nebula See it as a poster -
Released on 31 October 2025 Wide-field view around the RCW 94/95 nebulae See it as a poster -
Released on 31 October 2018 Wide-field view of the Serpens Nebula (ground-based image) See it as a poster -
Released on 31 October 2012 The globular star cluster NGC 6362 See it as a poster
In tropical astrology, 31 OCT 2000 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 31 OCT 2000.
Questions about October 31, 2000
What space photo was released on October 31, 2000?
NASA's Astronomy Picture of the Day for October 31, 2000 was "The Perseus Cluster's X-Ray Skull". It's the card at the top of this page.
What was the Moon's phase on October 31, 2000?
A waxing crescent moon, about 13% lit.
What day of the week was October 31, 2000?
October 31, 2000 was a Tuesday, day 305 of the 366 days in 2000.
What did the Sun and the Earth look like on October 31, 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.