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Astronomy Picture Of the Day (APOD)
Comet Leonards Long Tail
3.01.2022
You couldn't see Comet LeonardBs extremely long tail with a telescope B it was just too long. You also couldn't see it with binoculars B still too long. Or with your eyes -- it was too dim. Or from a city B the sky was too bright.
Quadruple Lunar Halo Over Winter Road
2.01.2022
Sometimes falling ice crystals make the atmosphere into a giant lens causing arcs and halos to appear around the Sun or Moon. One Saturday night in 2012 was just such a time near Madrid, Spain, where a winter sky displayed not only a bright Moon but four rare lunar halos.
The Full Moon of 2021
1.01.2022
Every Full Moon of 2021 shines in this year-spanning astrophoto project, a composite portrait of the familiar lunar nearside at each brightest lunar phase. Arranged by moonth, the year progresses in stripes beginning at the top.
JWST on the Road to L2
31.12.2021
This timelapse gif tracks the James Webb Space Telescope as it streaks across the stars of Orion on its journey to a destination beyond the Moon. Recorded on December 28, 12 consecutive exposures each 10 minutes long were aligned and combined with a subsequent color image of the background stars to create the animation.
The Further Tail of Comet Leonard
30.12.2021
Comet Leonard, brightest comet of 2021, is at the lower left of these two panels captured on December 29 in dark Atacama desert skies. Heading for its perihelion on January 3 Comet Leonard's visible tail has grown.
Giant Storms and High Clouds on Jupiter
29.12.2021
What and where are these large ovals? They are rotating storm clouds on Jupiter imaged last month by NASA's Juno spacecraft. In general, higher clouds are lighter in color, and the lightest clouds visible are the relatively small clouds that dot the lower oval.
Sun Halo over Sweden
28.12.2021
What's happened to the Sun? Sometimes it looks like the Sun is being viewed through a giant lens. In the featured video, however, there are actually millions of tiny lenses: ice crystals. Water may freeze in the atmosphere into small, flat, six-sided, ice crystals.
Comet Leonard behind JWST Launch Plume
27.12.2021
Which one of these two streaks is a comet? Although they both have comet-like features, the lower streak is the only real comet. This lower streak shows the coma and tail of Comet Leonard...
James Webb Space Telescope over Earth
26.12.2021
There's a big new telescope in space. This one, the James Webb Space Telescope (JWST), not only has a mirror over five times larger than Hubble's in area, but can see better in infrared light.
The Tail of a Christmas Comet
25.12.2021
The tail of a comet streams across this three degree wide telescopic field of view captured under dark Namibian skies on December 21. In outburst only a few days ago and just reaching naked eye visibility Comet Leonard (C/2021 A1) is this year's brightest comet.
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