Night Sky

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Total solar eclipse of December 4, 2021

A total solar eclipse will take place on December 4, 2021, just two weeks after a partial lunar eclipse on November 19 - the longest since 1440 and until 2669​.1 The total eclipse will be visible from Antarctica and partially visible from South Africa and south...

December 01, 2021

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Partial lunar eclipse of November 19, 2021 - the longest since 1440 and until 2669

A partial lunar eclipse, visible from the Americas, northern Europe, eastern Asia, Australia and the Pacific, will take place on Friday, November 19, 2021. The eclipse is followed by a total solar eclipse on December 4, 2021. The partial eclipse phase will last 3...

November 15, 2021

RS Ophiuchi OUTBURST august 9 2021 guido rocchetto valvasori

Rare 'recurrent nova' visible to unaided eye in the constellation Ophiuchus

A rare 'recurrent nova' event is visible to the unaided eye in the constellation of Ophiuchus this week. RS Ophiuchi (RS Oph) is a recurrent nova system, located about 5 000 light-years away from Earth, with a recurrence rate of about 15 - 20 years. Its...

August 10, 2021

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'Ring of Fire' - Annular solar eclipse of June 10, 2021

An annular solar eclipse of June 10, 2021, will be visible from northern Canada, Greenland, and Russia, with a partial eclipse visible from northern North America, Europe, and Asia. During the event, a bright ring will surround the moon silhouette at the peak of the...

June 06, 2021

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Total lunar eclipse of May 26, 2021

The Earth will pass between the Moon and Sun from 09:45 to 12:52 UTC on May 26, 2021, creating a total lunar eclipse -- visible from eastern Asia, Australia, the Pacific, and the Americas. The total eclipse will last from 11:12 until 11:26 -- with the greatest...

May 22, 2021

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Ariane 44L rocket launched in 1992 creates fiery spectacle over Brazil

The body of Ariane 44L rocket launched in 1992 re-entered Earth's atmosphere over Brazil at around 21:46 UTC (18:46 LT) on March 16, 2021, two days after schedule. The event created spectacular fiery scenery above the Brazilian state of Para and was mistaken...

March 23, 2021

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Great conjunction of Jupiter and Saturn on December 21

A rare great conjunction of Jupiter and Saturn will take place at 18:11 UTC on December 21, with the two planets passing just 6.1 arcminutes (about one-fifth the apparent width of the moon) of each other, as seen from Earth. Coincidentally, the December solstice is...

December 20, 2020

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2020 Geminid meteor shower to peak under a total solar eclipse on December 14

The 2020 Geminid meteor shower is expected to peak around December 14 and is likely to put the best light show at around 01:00 UTC, when its radiant point is highest in the sky. Another celestial event is set to occur on the same day as a total eclipse will be...

December 11, 2020

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Total solar eclipse of December 14, 2020

A total solar eclipse will take place at 16:13 UTC on December 14, 2020, and be visible from the South Pacific, Chile, Argentina, and the South Atlantic. Observers from southern South America, the Pacific, and those currently in Antarctica will experience a partial...

December 09, 2020

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Penumbral lunar eclipse of November 30, 2020

A penumbral lunar eclipse will take place on November 30, 2020, and be visible from Asia, Australia, the Pacific Ocean, and the Americas. This lunar eclipse is followed two weeks later by a total solar eclipse on December 14, 2020. The instant of greatest eclipse...

November 28, 2020

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2020 Perseid meteor shower peaks tonight

The Perseid meteor shower -- one of the best and brightest of the year -- is set to peak in the late hours of Tuesday into Thursday, August 11 into 13. This is one of the most anticipated showers of the year, particularly in the Northern Hemisphere. This year,...

August 11, 2020


Once in a lifetime: Comet C/2020 F3 (NEOWISE) shines bright, joins the ISS and noctilucent clouds - observing tips, live show

Comet C/2020 F3 (NEOWISE) has survived its close encounter with the Sun and is currently observable from the northern hemisphere with the naked eye. To receive this celestial gift, get up before dawn, look to the NNE and see it before the Sun takes over, or wait a...

July 08, 2020

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Comet C/2020 F3 (NEOWISE) now seen by naked eye, set to make closest approach to Earth on July 23

Comet C/2020 F3 (NEOWISE) is set to make its closest approach to Earth on July 23, 2020, when it will pass at a distance of 0.69 AU. Some experienced observers under clear skies have already reported spotting the comet with the naked eye. The comet was discovered on...

July 07, 2020

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'Ring of Fire' annular solar eclipse to grace the skies soon after the solstice

An annular solar eclipse will take place on Sunday, June 21, 2020. This is one of the most breathtaking celestial events when the Moon partially obscures the Sun, allowing a "ring of fire" on its edges. The eclipse will start several hours after the...

June 19, 2020

comet swan may 2 2020 damian peach

Powerful outburst from Comet C/2020 F8 (SWAN)

Astronomers monitoring Comet C/2020 F8 (SWAN) spotted a powerful outburst from the comet on May 5. Such outbursts usually indicate a fragmentation, but scientists are hopeful that this could just be a volatile comet. The comet is approaching Earth and the Sun-- its...

May 08, 2020

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Comet C/2020 F8 (SWAN) rapidly brightening, now visible to naked eye

Approaching Comet C/2020 F8 (SWAN) has become bright enough that it is already visible to the naked eye. As of 14:30 UTC on April 30, 2020, the comet is 115 million km (71 million miles) away from Earth, with a magnitude of 6.0. The comet appears like a bright fuzz...

April 30, 2020

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Hubble telescope captures comet C/2019 Y4 (ATLAS) crumbling into 25 pieces

The NASA/ESA Hubble Space Telescope has captured the sharpest view of Comet C/2019 Y4 ATLAS disintegrating into pieces. About 30 fragments were identified on April 20, but just three days later on April 23, the telescope spotted only 25. "Their appearance...

April 29, 2020