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Astronomy Picture Of the Day (APOD)
APOD: 2024 April 10 Б Planets Around a Total Eclipse
10.04.2024
What wonders appear when the Moon blocks the Sun? For many eager observers of MondayБs total eclipse of the Sun, the suddenly dark sky included the expected corona and two (perhaps surprise) planets: Venus and Jupiter.
APOD: 2024 April 9 Б Moon Shadow over Lake Magog
9.04.2024
Captured in this snapshot, the shadow of the Moon came to Lake Magog, Quebec, North America, planet Earth on April 8. For the lakeside eclipse chasers, the much anticipated total solar eclipse was a spectacle to behold in briefly dark, but clear skies.
APOD: 2024 April 8 Б The Changing Ion Tail of Comet Pons Brooks
8.04.2024
How does a comet tail change? It depends on the comet. The ion tail of Comet 12P/PonsБBrooks has been changing markedly, as detailed in the featured image sequenced over nine days from March 6 to 14 (top to bottom).
APOD: 2024 April 7 Б A Total Solar Eclipse over Wyoming
7.04.2024
Will the sky be clear enough to see the eclipse? This question is already on the minds of many North Americans hoping to see tomorrow's solar eclipse. This question was also on the mind of many people attempting to see the total solar eclipse that crossed North America in August 2017.
Unwinding M51
6.04.2024
The arms of a grand design spiral galaxy 60,000 light-years across are unwound in this digital transformation of the magnificent 2005 Hubble Space Telescope portrait of M51. In fact...
The Solar Corona Unwrapped
5.04.2024
Changes in the alluring solar corona are detailed in this creative composite image mapping the dynamic outer atmosphere of the Sun during two separate total solar eclipses. Unwrapped from the complete circle...
Comet Pons-Brooks at Night
4.04.2024
In dark evening skies over June Lake, northern hemisphere, planet Earth, Comet 12P/Pons-Brooks stood just above the western horizon on March 30. Its twisted turbulent ion tail and diffuse greenish coma are captured in this two degree wide telescopic field of view along with bright yellowish star Hamal also known as Alpha Arietis.
APOD: 2024 April 3 Б Unusual Nebula Pa 30
3.04.2024
What created this unusual celestial firework? The nebula, dubbed Pa 30, appears in the same sky direction now as a bright "guest star" did in the year 1181. Although Pa 30's filaments look...
APOD: 2024 April 2 Б Detailed View of a Solar Eclipse Corona
2.04.2024
Only in the fleeting darkness of a total solar eclipse is the light of the solar corona easily visible. Normally overwhelmed by the bright solar disk, the expansive corona, the sun's outer atmosphere, is an alluring sight.
APOD: 2024 April 1 Б Swirling Magnetic Field around Our Galaxys Central Black Hole
1.04.2024
What's happening to the big black hole in the center of our galaxy? It is sucking in matter from a swirling disk -- a disk that is magnetized, it has now been confirmed. Specifically, the black hole's accretion disk has recently been seen to emit polarized light, radiation frequently associated with a magnetized source.
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