世界各地有許多創造天地的神話圍繞著銀河系發展出來。很特別的是,在希臘就有兩個相似的希臘神話故事在解釋銀河是怎麼來的。有些神話將銀河和星座結合在一起,認為成群牛隻的乳液將深藍色的天空染白了。在東亞,人們相信在天空中群星間的霧狀帶是銀色的河流,也就是所謂天河。
The Milky Way is shifting in the overall route of The nice Attractor and other galaxy clusters, including the Shapley Supercluster, driving it.[297] The Community Group, a cluster of gravitationally certain galaxies made up of, between Many others, the Milky Way plus the Andromeda Galaxy, is an element of the supercluster called the Community Supercluster, centered near the Virgo Cluster: although They may be relocating clear of each other at 967 km/s (two,one hundred sixty,000 mph) as Portion of the Hubble circulation, this velocity is lower than might be envisioned offered the 16.
Two surveys of near-infrared light-weight, that's delicate mainly to red giants rather than influenced by dust extinction, detected the predicted overabundance within the Scutum–Centaurus arm but not from the Carina–Sagittarius arm: the Scutum–Centaurus Arm consists of about 30% additional pink giants than could well be envisioned inside the absence of a spiral arm.[216][219]
6 million MSun. Radio observations exhibit this mass is concentrated inside a quantity using a diameter much like that of Mercury’s orbit. The density of the matter focus exceeds that in the densest recognized star clusters by an element of practically a million.
Regardless of hundreds of years of review, the Milky Way nonetheless retains mysteries. We don't fully comprehend dark matter, nor the specific history of how the galaxy formed.
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The Greeks believed that it was milk from your goddess Hera who spilled it throughout the sky, as well as Roman myth explained which the Milky Way was milk from their goddess Ops.
The limited Tale is There exists very little to bother with; the more time tale is the procedure is an interesting just one since it displays how galaxies may perhaps evolve.
Our Sunshine is really an unremarkable yellow G-sort star—standard in comparison with lots of its neighbors. Nonetheless stars such as the Solar are vital, steady enough to allow planets to sort and daily life to emerge.
The Milky Way is a large barred spiral galaxy, with a comparatively small bar when compared with most galaxies of an identical size. A central bar (or central bulge) is often a circular to oval formed composition of aged stars which lies at the middle of spiral galaxies.
Should the Milky Way contained only the mass observed in stars, gasoline, as well as other baryonic (regular) make a difference, the rotational speed would reduce with distance from the middle. Nonetheless, the noticed curve is pretty flat, indicating that there's further mass that cannot be detected specifically with electromagnetic radiation.
The Milky Way disk is not flat but warped, In line with ESA. Since it rotates, it precesses similar to a wobbling spinning top. This wobble, primarily an enormous ripple, circles the galactic center way more bit by bit than The celebrities from the disk, completing an entire rotation in about 600 to seven hundred million years. Astronomers Assume this ripple may be a results of a past collision with An additional galaxy.
Everything else during the galaxy revolves all around this impressive gateway to nothingness. In its fast surroundings is a tightly packed location of dust, gasoline and stars known mawinbet as the galactic bulge.
Planets of your solar technique tend not to orbit from the plane of the galaxy but are tipped by about 63 degrees.