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Saturday, December 24, 2011

Comet Lovejoy C/2011 W3 (Lovejoy) - Wikipedia, the free encyclopedia


 Video Link...

Video Link...

Isn't that the name of the Comment that caused the E.L.E Event in that Movie Deep Impact (1998)... Which caused the "World as we know it" to End!:O??? Oh! No, that was the Wolf - Beiderman Comet... That was my favorite Comet Movie of all:)


C/2011 W3 (Lovejoy)

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C/2011 W3 (Lovejoy)

Comet Lovejoy image captured by the ISS on 21-DEC-2011.
Discovered by: Terry Lovejoy
Discovery date: 27 November 2011
Orbital characteristics A
Epoch: 2455900.5
(5 December 2011)
Aphelion: 92.4224 AU
Perihelion: 0.005490 AU
Semi-major axis: 46.2139 AU
Eccentricity: 0.999881
Orbital period: 314 ± 13 a[1]
Inclination: 134.785°
Last perihelion: 16 December 2011
Next perihelion: ~2326

C/2011 W3 (Lovejoy) is a periodic comet, classified as a Kreutz Sungrazer. It was discovered on 27 November 2011, by amateur astronomer Terry Lovejoy.[2] The comet's perihelion took it through the Sun's corona on 16 December 2011 at 00:35 UTC,[1] as it passed approximately 140,000 kilometres (87,000 mi) above the Sun's surface.[3] It was not expected to survive the encounter, but the Solar Dynamics Observatory (SDO), as well as other Sun-monitoring spacecraft, observed the comet emerge from the corona intact.[4][5][6]
Before perihelion, the comet nucleus of Lovejoy was estimated to be between 100 and 200 metres (330 and 660 ft) in diameter, but after surviving perihelion it has been estimated that the nucleus was larger, as much as 500 m (1,600 ft) before the passage through the corona.[6] At its brightest the comet had an apparent magnitude of around –4[7] (about as bright as the planet Venus). It is the brightest sungrazing comet ever observed by SOHO,[8] and is the brightest comet to appear since Comet McNaught of 2007, which shone at visual magnitude –5.5.[9] However, Lovejoy was largely invisible to the naked eye during its peak brightness as a result of its small nucleus and proximity to the Sun.
The comet first became visible to the STEREO-A spacecraft on 3 December, and to the SOHO spacecraft on 14 December. Before and after Lovejoy passed through perihelion, it was the subject of observation campaigns by eighteen instruments on six satellites: STEREO-A and -B, SOHO, SDO, Hinode and PROBA2.[7][10] It again became visible to ground based telescopes on 17 December.[11] In the Southern Hemisphere, Lovejoy was a naked eye object around 21 December.[12]

[edit] Gallery

STEREO-A close-up of Comet Lovejoy before perihelion  
STEREO-A sequence of Comet Lovejoy approaching the Sun  
SDO witnesses Comet Lovejoy survive the Sun's corona  

[edit] See also

[edit] References

  1. ^ a b "C/2011 W3 (Lovejoy)". JPL Small-Body Database Browser. 14 December 2011. Retrieved 15 December 2011. 
  2. ^ Beatty, Kelly (6 December 2011). "Comet Lovejoy's Date With Destiny". Sky & Telescope. Retrieved 15 December 2011. 
  3. ^ Malik, Tariq (16 December 2011). "Sun Rips Tail From Comet During Solar Close Encounter". Retrieved 17 December 2011. 
  4. ^ Wall, Mike (15 December 2011). "Satellites to Watch Comet's Death Plunge Through Sun Today". Retrieved 15 December 2011. 
  5. ^ Wall, Mike (15 December 2011). "Comet Lovejoy Survives Fiery Plunge Through Sun, NASA Says". Retrieved 15 December 2011. 
  6. ^ a b Phillips, Tony (16 December 2011). "Comet Lovejoy Plunges into the Sun and Survives". Science News. Retrieved 16 December 2011. 
  7. ^ a b Battams, Karl (15 December 2011). "The Great "Birthday Comet" of 2011, Chapter 2: Survival". Sungrazing. Retrieved 15 December 2011. 
  8. ^ Battams, Karl (15 December 2011). "The Great "Birthday Comet" of 2011, Chapter 1: Inbound". Sungrazing Comets. Retrieved 15 December 2011. 
  9. ^ "Brightest comets seen since 1935". International Comet Quarterly. 12 February 2009. Retrieved 18 December 2011. 
  10. ^ "The Great "Birthday Comet" of 2011". SOHO. 15 December 2011. Retrieved 15 December 2011. 
  11. ^ "What's Up in Space". 17 December 2011. Retrieved 18 December 2011. 
  12. ^ Cain, Fraser (21 December 2011). "Timelapse of Comet Lovejoy Rising by Colin Legg". Retrieved 23 December 2011. 

[edit] External links

Go there..

Comet Lovejoy
Comet Lovejoy brings early Christmas for crew of International Space Station | The State Column
comet lovejoy - Google Search
C/2011 W3 (Lovejoy) - Wikipedia, the free encyclopedia
File:Lovejoy-hi1a srem dec12 14.gif - Wikipedia, the free encyclopedia
Comet Lovejoy - Google Search
Comet Lovejoy Defies Death, Brushes Up to Sun and Lives
comet lovejoy - Google Search
NASA - Multimedia - Video Gallery
Mercury, crescent moon, Comet Lovejoy make the dawn sparkle | Astro Bob
Deep Impact (1998) - IMDb
Deep Impact (1998) - Plot Summary
movie ele beterman commet - Google Search

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