The sky on
your birthday.
Light Echoes from V838 Mon
In 2002, the star V838 Mon suddenly expanded, becoming the brightest star in the Milky Way, then faded. This image from the Hubble Space Telescope shows a light echo, where light from the flash illuminates surrounding dust. The light appears to expand outward, but it is actually light reflecting off different parts of the dust cloud.
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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 Sun on your day The Sun on 4 December 2011 See it as a poster -
The Earth on your day The Earth on 4 December 2011 · Red Sea See it as a poster -
Released on 4 December 2008 Hubble image of globular cluster M13 See it as a poster -
Released on 4 December 2008 Hubble image of M13's nucleus See it as a poster -
Released on 4 December 2007 Hubble Space Telescope Image of Globular Cluster NGC 6397 See it as a poster -
Released on 4 December 2012 A multi-wavelength view of radio galaxy Hercules A See it as a poster -
Released on 4 December 2021 The Moon's shadow, caused by a solar eclipse over Antarctica, is pictured from the International Space Station as it See it as a poster
In tropical astrology, 4 DEC 2011 falls under Sagittarius (♐). The sign's window runs from 11-22 through 12-21. Sagittarius points straight at the center of the Milky Way, our galaxy's brightest region. The Sun was crossing this region of the sky on 4 DEC 2011.
Questions about December 4, 2011
What space photo was released on December 4, 2011?
NASA's Astronomy Picture of the Day for December 4, 2011 was "Light Echoes from V838 Mon". It's the card at the top of this page.
What was the Moon's phase on December 4, 2011?
A first quarter moon, about 64% lit.
What day of the week was December 4, 2011?
December 4, 2011 was a Sunday, day 338 of the 365 days in 2011.
What did the Sun and the Earth look like on December 4, 2011?
NASA's Solar Dynamics Observatory photographed the Sun that day, and NASA's Terra satellite photographed the whole Earth. Both are 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.