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Diffraction spikes are lines radiating from bright light sources, causing what is known as the starburst effect [1] or sunstars [2] in photographs and in vision. They are artifacts caused by light diffracting around the support vanes of the secondary mirror in reflecting telescopes , or edges of non-circular camera apertures , and around ...
IC 4662, also known as ESO 102-14 is an irregular galaxy located in the constellation Pavo 7.96 million light years away. It was discovered by Robert T. A. Innes in 1901. It has a diameter of 7000 light years and an angular size of 3.2' x 1.9'. IC 4662 is part of a Hubble study of starbursts in nearby, small, or dwarf, galaxies.
Portland is a city in Ashley County, Arkansas, United States. [2] The population was 430 at the 2010 census . [ 3 ] Portland was first settled in the 1830s, and named for its early status as a steamboat port.
The northern lights will be visible for parts of the northern U.S., according to the NOAA Space Weather Prediction Center's aurora forecast. The aurora will be visible over much of Canada and ...
Although the galaxy has a luminosity similar to the SMC, it is considerably smaller, with an estimated diameter of around 5000 light years. [8] Its higher metallicity compared to the SMC suggests that star formation activity has continued for a longer time period. The H II regions in IC 10 have all formed recently, within the last 10 Myr. [9]
Enjoy a classic game of Hearts and watch out for the Queen of Spades!
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Arkansas father Josh Morss said he noticed some swelling around his 1-year-old daughter Lily’s eye, so the concerned parents took the toddler to the hospital. ... Tenn. more than an hour from ...