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Our Milky Way galaxy may appear to be very different from an ordinary spiral galaxy." Procrastinator-General Our Milky Way galaxy may appear to be very different from an ordinary spiral galaxy - that seems to go a bit against the cosmological principle - of course the Milky Way looks different to us, were inside it, with no hope of getting a ...
File:Milky Way 2005.jpg licensed with PD-USGov-NASA 2008-06-04T20:47:35Z Ashill 5600x5600 (4556578 Bytes) {{Information |Description= Like early explorers mapping the continents of our globe, astronomers are busy charting the spiral structure of our galaxy, the Milky Way. Using infrared images from NASA's Spitzer Space Telescope,
The Milky Way [c] is the galaxy that includes the Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye. The Milky Way is a barred spiral galaxy with a D 25 isophotal diameter estimated at 26.8 ± 1.1 ...
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The nature of the Milky Way's bar, which extends across the Galactic Center, is also actively debated, with estimates for its half-length and orientation spanning between 1–5 kpc (short or a long bar) and 10–50°. [23] [25] [27] Certain authors advocate that the Milky Way features two distinct bars, one nestled within the other. [28]
View of the Milky Way and Great Rift from ESO's Very Large Telescope. To the naked eye, the Great Rift appears as a dark lane that divides the bright band of the Milky Way vertically. The Great Rift covers one third of the Milky Way, and is flanked by strips of numerous stars, such as the Cygnus Star Cloud. [2]
Artist's depiction of the Milky Way Galaxy showing the origin and orientation of galactic longitude. The galactic longitude (l) runs from the Sun upwards in the image through the center of the galaxy. The galactic latitude (b) is perpendicular to the image (i.e. coming out of the image) and also centered on the Sun.
Through a series of peculiar velocity tests, astrophysicists found that the Milky Way was moving in the direction of the constellation of Centaurus at about 600 km/s. [ citation needed ] Then, the discovery of cosmic microwave background (CMB) dipoles was used to reflect the motion of the Local Group of galaxies towards the Great Attractor. [ 5 ]