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藝術家展示從地球以外觀看銀河系，會有截然不同的景觀。就某些角度而言，中央的核球呈現成花生狀的恆星光球；從上方看，窄棒結構清楚的呈現。許多的螺旋臂和相關聯的塵埃雲也清晰可見。

The Andromeda Galaxy is the Milky Way's twin. It really is the closest galaxy that may be a similar dimensions and condition. In a few billion many years, the two galaxies will collide and kind just one larger elliptical galaxy - Milkomeda.

The black hole inside the Milky Way is termed Sagittarius A*. The black hole is usually dormant, which makes it really demanding to look at. Sagittarius A* incorporates a mass 4.3 million occasions that from the Sunlight, astronomers Reinhard Genzel and Andrea Ghez identified it in 2008.

six million MSun. Radio observations present that this mass is concentrated in a very volume with a diameter similar to that of Mercury’s orbit. The density of the issue focus exceeds that on the densest recognized star clusters by an element of almost one million.

All of that may be surrounded by a spherical halo of dust and gas, that's 2 times as broad since the disk. Astronomers feel that the whole galaxy is embedded in a good more substantial halo of invisible dim make a difference.

From this central area, spiral arms unfurl, winding gracefully around the galactic Middle like whirlpools frozen in time. These arms are not rigid, static characteristics but locations of larger density—a cosmic Traffic congestion where stars and gasoline bunch alongside one another.

In astronomical apply, the delineation of your galactic quadrants relies on the galactic coordinate technique, which places the Sunshine as the origin with the mapping system.[one hundred fifteen]

The gaseous distribution within the Galaxy’s disk has two primary spiral arms that arise from the finishes in the central bar, along with various fainter arms and quick spurs; the Solar is located in a type of spurs.

The major arms include the best densities of each younger and old stars; the slight arms are primarily full of fuel and pockets of star-forming exercise.

Much larger stars, like blue giants, blaze intensely and live only briefly right before exploding in breathtaking supernovae.

We are not able มาวินเบท to see it, but its gravity styles the rotation of stars and holds the galaxy collectively. Without the need of dark make any difference, the Milky Way would just fly aside.

Astronomers are not very confident the amount of planets are inside the Milky Way, offered We've only found a few thousand all explained to, but just one NASA estimate implies It is really more than a hundred billion planets. What number of solar methods there are while in the Milky Way is additionally a secret, as we are still searching for the planets.

Because the time in the dinosaurs, We now have accomplished only one lap. Civilization by itself has lasted below a blink in galactic time. The Milky Way is not only a spot we reside in—it's an enduring, ancient dwelling which includes existed very long ahead of people and will continue extensive just after we have been gone.

The center area on the Milky Way is known as the Galactic Centre, and it contains a supermassive black hole of about 4 million solar masses referred to as Sagittarius A*. To begin to see the black hole, you’ll require a Exclusive radio telescope.