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The Milky Way bar is made of nougat, topped with caramel and covered with milk chocolate. It was created in 1923 by Frank C. Mars and originally manufactured in Minneapolis, Minnesota. The name and taste derived from a then-popular malted milk drink (milkshake) of the day, not after the astronomical galaxy. [3][4]
A barred spiral galaxy is a spiral galaxy with a central bar-shaped structure composed of stars. [1] Bars are found in about two thirds of all spiral galaxies in the local universe, [2] and generally affect both the motions of stars and interstellar gas within spiral galaxies and can affect spiral arms as well. [3][4] The Milky Way Galaxy ...
The Perseus Arm is one of two major spiral arms of the Milky Way galaxy. The second major arm is called the Scutum–Centaurus Arm. The Perseus Arm begins from the distal end of the long Milky Way central bar. [1] Previously thought to be 13,000 light-years away, it is now thought to lie 6,400 light years from the Solar System.
The prominence of the bar increases with index number, thus SB0 3 galaxies, like the NGC 1460 have very well defined bars that can extend through the transition region between the bulge and disk. [4] NGC 1460 is actually the galaxy with one of the largest bars seen among lenticular galaxies. Unfortunately, the properties of bars in lenticular ...
The Local Group is the galaxy group that includes the Milky Way, where Earth is located. It has a total diameter of roughly 3 megaparsecs (10 million light-years; 9 × 10 19 kilometres), [1] and a total mass of the order of 2 × 10 12 solar masses (4 × 10 42 kg). [2] It consists of two collections of galaxies in a "dumbbell" shape; the Milky ...
The Milky Way is approximately 890 billion to 1.54 trillion times the mass of the Sun in total (8.9 × 10 11 to 1.54 × 10 12 solar masses), [7][8][9] although stars and planets make up only a small part of this. Estimates of the mass of the Milky Way vary, depending upon the method and data used.
The Hubble sequence is a morphological classification scheme for galaxies published by Edwin Hubble in 1926. [1][2][3][4] It is often colloquially known as the Hubble tuning-fork diagram because the shape in which it is traditionally represented resembles a tuning fork. It was invented by John Henry Reynolds and Sir James Jeans.
Citizen scientists spotted an object zipping through the Milky Way at more than 1 million miles an hour, and a new study shows it could be a rare hypervelocity star.