The constellation of the Triangle and the spiral galaxy M33

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2018-03-23 10:25:08

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That is a heavenly constellation in the Northern hemisphere of the sky Tri (the abbreviated Latin name from Triangulum) is one of the most interesting objects for study.

Location

In the dark night, in the absence of bright light sources, we will be able to detect it in a clearly formed by three stars of the shape similar to an elongated triangle. Their magnitude expressed as: 3m and 4m for two.constellation triangle

So it can be seen with the naked eye.

In the neighboring constellations to navigate the sky to find the constellation of the Triangle. This will help you, Andromeda, Perseus, Aries and Pisces.

History and mythology

This constellation has been known since ancient times, but where exactly did the name remains unknown. There are notes about it in the Babylonian catalogues and manuscripts, written about 1100 BC. The constellation known since the time of the birth of astronomy and has been described by the Greek Ptolemy in the second century BC the Constellation of the Triangle attended the star maps of the Cretans and Phoenicians. All the evidence suggests that he has quite a long history. One of the ancient astronomers, Eratosthenes, the constellation of the Triangle resembled a resemblance to the Delta of the river Nile, and in Greece it was called Deltone because of the shape resembling a capital Greek letter "Delta".
written sources on Greek mythology, it is known that the constellation of the Triangle is identified with the island of Demeter – Sicily and its three major cities.

Let's Talk about the characteristic peaks

The Constellation of the Triangle forms a shape resembling a geometric figure, according to its name. constellation in the Northern hemisphere of the sky tri

Acertado three most prominent stars in this constellation. The brightest space objects alpha, Beta and Gamma form the shape of a triangle. The most important cosmic bodies in the constellation of the Triangle include the brightest object in its star system, beta, called Deltacom. From the Earth to the star's distance is approximately 125 light-years. Second brightest in the constellation-alpha - classified as white-yellow subgiant. It is called the vertex of the triangle is a double star complex spectrum. The distance to the stellar object - 64,2 light-years. Gamma, the third star in brightness, is a white dwarf, is from the Earth at a distance of 188 light-years. Delta has the same structure as alpha. The team includes two dwarf yellow and orange. The distance between our planet and these stars is at least 35 light years.

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Spiral galaxy M33

Constellation is easily recognizable and contains within its apparent boundaries, though not the brightest, but one fairly well-known spiral galaxy M33, which is of type Sc and belongs to a local group of galaxies.spiral galaxy m33 In it for a few nebulae, there are many massive, bright blue stars and star clusters with increasing density towards its centre. The distance from the Sun to the spiral galaxy M33 is three million light years. In this galaxy has opened more than 110 variable stars.

Most large objects in this region of the sky are the Andromeda galaxy, the milky way and the galaxy Triangle, also known as M33 or NGC598.galaxy triangle

The largest spiral galaxies have their own sub-groups of galaxies. Most of them are associated with the "mother" of the huge gravitational forces. Galaxy Triangle honorable ranks third (after Andromeda and the milky way) in the local group of galaxies. Its diameter is about 50-55,6 thousand light-years.

In the galaxy of the Triangle discovered a black hole M33 X-7 is of sufficiently large size. The mass of a space body more than the Sun 16 times. This is one of the largest black holes, with the exception of only supermassive hole at a fairly close distance from us.

In the constellation includes a Triangle and other galactic systems, they are less bright, and their value does not exceed the eleventh star. The biggest one is a spiral galaxy NGC925. The distance from our Sun to NGC925 is 46 million light years. This is far enough, but with high-powered telescopes astronomers study space and the unique objects of the Universe in that part of the sky.


Article in other languages:

AR: https://tostpost.com/ar/education/8423-m33.html

BE: https://tostpost.com/be/adukacyya/15063-suzor-e-trykutn-k-sp-ral-naya-galaktyka-m33.html

DE: https://tostpost.com/de/bildung/15074-das-sternbild-dreieck-und-die-spiralgalaxie-m33.html

ES: https://tostpost.com/es/la-educaci-n/15082-la-constelaci-n-del-tri-ngulo-y-en-espiral-de-la-galaxia-m33.html

HI: https://tostpost.com/hi/education/8426-m33.html

JA: https://tostpost.com/ja/education/8424-m33.html

KK: https://tostpost.com/kk/b-l-m/15065-shb-rysh-sho-zh-ldyzy-zh-ne-spiral-dy-galaktika-m33.html

PL: https://tostpost.com/pl/edukacja/15062-konstelacja-tr-jk-t-i-spiralna-galaktyka-m33.html

PT: https://tostpost.com/pt/educa-o/15056-a-constela-o-de-um-tri-ngulo-e-uma-gal-xia-espiral-m33.html

TR: https://tostpost.com/tr/e-itim/15069-tak-my-ld-z-gen-ve-sarmal-g-kada-m33.html

UK: https://tostpost.com/uk/osv-ta/15065-suz-r-ya-trikutnik-sp-ral-na-galaktika-m33.html

ZH: https://tostpost.com/zh/education/9214-m33.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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