Andromeda Galaxy (Μ31) Dedicated to friend... ko hummel!

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The Andromeda Galaxy /ænˈdrɒmɨdə/ is a spiral galaxy approximately 2.5 million light-years (2.4×1019 km) from Earth[4] in the Andromeda constellation. Also known as Messier 31, M31, or NGC 224, it is often referred to as the Great Andromeda Nebula in older texts. The Andromeda Galaxy is the nearest spiral galaxy to our Milky Way galaxy, but not the closest galaxy overall. It gets its name from the area of the sky in which it appears, the constellation of Andromeda, which was named after the mythological princess Andromeda. The Andromeda Galaxy is the largest galaxy of the Local Group, which also contains the Milky Way, the Triangulum Galaxy, and about 30 other smaller galaxies. Although the largest, the Andromeda Galaxy may not be the most massive, as recent findings suggest that the Milky Way contains more dark matter and could be the most massive in the grouping.[11] The 2006 observations by the Spitzer Space Telescope revealed that M31 contains one trillion (1012) stars:[8] at least twice the number of stars in the Milky Way galaxy, which is estimated to be 200–400 billion.[12] The Andromeda Galaxy is estimated to be 7.1×1011 solar masses.[2] In comparison a 2009 study estimated that the Milky Way and M31 are about equal in mass,[13] while a 2006 study put the mass of the Milky Way at ~80% of the mass of the Andromeda Galaxy. The two galaxies are expected to collide in 3.75 billion years, eventually merging to form a giant elliptical galaxy.[14] At an apparent magnitude of 3.4, the Andromeda Galaxy is one of the brightest Messier objects,[15] making it visible to the naked eye on moonless nights even when viewed from areas with moderate light pollution. Although it appears more than six times as wide as the full Moon when photographed through a larger telescope, only the brighter central region is visible to the naked eye or when viewed using binoculars or a small telescope.


Ο Γαλαξίας της Ανδρομέδας (γνωστός και ως Μεσιέ 31) είναι ένας σπειροειδής γαλαξίας στον αστερισμό Ανδρομέδα, στον οποίο οφείλει και το όνομά του. Κατέχει ένα αξιοσημείωτο ρεκόρ: είναι το πιο απομακρυσμένο αντικείμενο ορατό με γυμνό μάτι. Βρίσκεται σε απόσταση μόλις 2,5 εκατομμυρίων ετών φωτός και μαζί με το Γαλαξία μας αποτελούν τους δύο μεγαλύτερους γαλαξίες της τοπικής ομάδας γαλαξιών. Αν και είναι μεγαλύτερος από το Γαλαξία μας, πιθανότατα ο δεύτερος περιέχει περισσότερη σκοτεινή ύλη και έχει μεγαλύτερη μάζα. [9] Νέες παρατηρήσεις δείχνουν ότι διαθέτει ένα τρις άστρα, τρεις με πέντε φορές περισσότερα από το Γαλαξία.[10]

http://el.wikipedia.org/wiki/%CE%93%CE%B1%CE%BB%CE%B1%CE%BE%CE%AF%CE%B1%CF%82%CF%84%CE%B7%CF%82%CE%91%CE%BD%CE%B4%CF%81%CE%BF%CE%BC%CE%AD%CE%B4%CE%B1%CF%82

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Comments (136)

Ronny1 on January 5, 2014

Wonderful image! I love it! What mount and settings you used? F+L

gabriellasiglinde- N… on January 8, 2014

Wowwwwww Makis, è straordinaria, complimenti!Like+Fav Un saluto, Gabriella

✿ܓ Gy㋡ngyi ✿ܓ on January 19, 2014

Nice atmospheric photo.

Beautiful colors.

LIKE

Regards Gyöngyi Hungary.

Nikolai Karaneschev on January 20, 2014

Beautiful shot L+F, best wishes, Nikolai

giselaplewe on January 20, 2014

YSL! gisela

Martin Bring on January 22, 2014

Fantastic astral imaging Makis! YSL

Congratulations,

Marty

Miro Zeliska on January 24, 2014

Bery beautiful work. F+L!!! Best wishes Miro

Begoña NO VIEWS! on February 9, 2014

Beautiful picture!

Congratulations!

YSL

Greetings,

Begoña

®mene on March 2, 2014

an outstanding sight... cheers from M83

michael...

Co coepi on March 12, 2014

Very beautiful!!!!!!

L 119/F 64

Best wishes, Conny

frieda42 on March 16, 2014

Fantastic shot of the Andromeda!

F+L!

Greetings from germany,

Frieda

K@rin on April 6, 2014

Wonderful view of the sky , perfectly captured, L and F, best wishes Karin

Gabriel MaXoTe on April 17, 2014

【ツ】 Fantástica foto LIKE , saludos desde TENERIFE , Gabriel

Loszmann Ágnes on May 2, 2014

Fantastic! YSL Greetings, Ágnes

© Fabio Rosati © on May 4, 2014

Per il Sig. makis-GREECE ®

Ciao Makis, buonasera,

fantastica immagine, complimenti Lk+Fv,

un saluto cordiale, Fabio Rosati - Velletri - Rm - Italy -

Antonín Bouda on May 27, 2014

What a beauty Makis: YSL! Greetings, Tonda.

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Photo details

  • Uploaded on September 18, 2013
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    by makis-GREECE ®

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