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You entered: Coma
![Комета Леонарда крупным планом из Австралии](https://images.astronet.ru/pubd/2022/01/12/0001801637/CometLeonard_Estes_960.preview.jpg)
12.01.2022
What does Comet Leonard look like up close? Although we can't go there, imaging the comet's coma and inner tails through a small telescope gives us a good idea. As the name...
![Комета МакНота пролетает мимо скопления NGC 1245](https://images.astronet.ru/pubd/2010/06/25/0001245672/CometStarsInset_richins900.preview.jpg)
17.06.2010
Of the many comets named for discoverer Robert McNaught, the one cataloged as C/2009 R1 is gracing dawn skies for northern hemisphere observers this month. Seen here on June 13th from southern New Mexico, this Comet McNaught's long ion tail sweeps across the telescopic field of view (a negative image is inset).
![Ядро кометы Галлея: летящий айсберг](https://images.astronet.ru/pubd/2010/01/11/0001237843/halley_giotto.preview.jpg)
4.01.2010
What does a comet nucleus look like? Formed from the primordial stuff of the Solar System, comet nuclei were thought to resemble very dirty icebergs. But ground-based telescopes revealed only the surrounding cloud of gas and dust of active comets nearing the Sun, clearly resolving only the comet's coma, and the characteristic cometary tails.
![Комета МакНота: самая яркая за последние десятилетия](https://images.astronet.ru/pubd/2007/01/17/0001220343/mcnaught_jhackmann720.preview.jpg)
9.01.2007
The brightest comet in decades is unexpectedly now visible. The most optimistic predictions have Comet McNaught (C/2006 P1) shortly becoming one of the brightest comets of the past century. For the next few days...
![Зеленый файер-болл](https://images.astronet.ru/pubd/2004/08/13/0001199150/greenfire1_dunn.preview.jpg)
20.11.1998
"Goodness, Gracious, Green Balls Of Fire!", might have been an appropriate theme song title for the 1998 Leonid meteor shower. Many observers, like astrophotographer Steve Dunn watching from Cape Canaveral, Florida, USA, reported that a lot of the characteristically bright Leonid meteors had a greenish tint.
![Три галактики и комета](https://images.astronet.ru/pubd/2023/08/27/0001907085/cometmcnaught_druckmuller_960.preview.jpg)
27.08.2023
Diffuse starlight and dark nebulae along the southern Milky Way arc over the horizon and sprawl diagonally through this gorgeous nightscape. The breath-taking mosaic spans a wide 100 degrees, with the rugged terrain of the Patagonia, Argentina region in the foreground.
![Три галактики и комета](https://images.astronet.ru/pubd/2007/03/30/0001221403/3772-84mcnaught_druckmuller720.preview.jpg)
30.03.2007
Diffuse starlight and dark nebulae along the southern Milky Way arc over the horizon and sprawl diagonally through this gorgeous nightscape. The breath-taking mosaic spans a wide 100 degrees, with the rugged terrain of the Patagonia, Argentina region in the foreground.
![Комета Хиякутаке: звезды через хвост](https://images.astronet.ru/pubd/2004/03/22/0001197228/hyakutake_scott_big.preview.jpg)
17.07.1998
Comets are cosmic icebergs. They follow very elongated orbits which carry them from the frozen, remote outer reaches of the Solar System to close encounters with the Sun. Heated by sunlight, they slough off layers of material as gas and dust, forming their characteristic awe-inspiring comas (heads) and tails.
![Розетта и улетающая комета](https://images.astronet.ru/pubd/2015/11/29/0001349493/67p_sepnov_dp_600h.preview.jpg)
28.11.2015
Not a bright comet, 67P/Churyumov-Gerasimenko now sweeps slowly through planet Earth's predawn skies near the line-up of planets along the ecliptic. Still, this composite of telescopic images follows the comet's progress as it moves away from the Sun beyond the orbit of Mars, from late September (left) through late November (far right).
![Комета NEAT и скопление Улей](https://images.astronet.ru/pubd/2004/06/17/0001198432/q4m44_westlake.preview.jpg)
17.06.2004
To the unaided eye, they appeared as similar fuzzy patches. But when a bright comet passed in front of a bright star cluster last month, binoculars and cameras were able to show off their marked differences in dramatic fashion.
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