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Color–color diagram. A color–color diagram is a means of comparing the colors of an astronomical object at different wavelengths. Astronomers typically observe at narrow bands around certain wavelengths, and objects observed will have different brightnesses in each band. The difference in brightness between two bands is referred to as color.
Photometric system. In astronomy, a photometric system is a set of well-defined passbands (or optical filters ), with a known sensitivity to incident radiation. The sensitivity usually depends on the optical system, detectors and filters used. For each photometric system a set of primary standard stars is provided.
Background. The lyrics were inspired after lead singer Philip Oakey read a photo-story in a teen-girl's magazine. Though the song had been conceived and recorded in the studio as a male solo, Oakey was inspired by the film A Star Is Born and decided to turn the song into a conflicting duet with one of the band's two teenage female vocalists.
Red Wings goaltender James Reimer looks down at the puck as center Joe Veleno helps defend the net against pressure from Stars left wing Jamie Benn in the first period on Monday, Dec. 11, 2023, in ...
Stellar classification. In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectrum exhibiting the rainbow of colors interspersed with spectral lines.
Wild Honey is the thirteenth studio album by the American rock band the Beach Boys, released on December 18, 1967, by Capitol Records. It was the group's first foray into soul music and was heavily influenced by the R&B of Motown and Stax Records. The album was the band's worst-selling at that point, charting at number 24 in the US.
WR 104. WR 104 is a triple star system located about 2,580 parsecs (8,400 ly) from Earth. The primary star is a Wolf–Rayet star (abbreviated as WR), which has a B0.5 main sequence star in close orbit and another more distant fainter companion. The WR star is surrounded by a distinctive spiral Wolf–Rayet nebula, often referred to as a ...
This is a list of United States Air Force Strategic Reconnaissance Wings assigned to Strategic Air Command (SAC) from 1946 to 1992 when SAC was disestablished. At the bottom of the list is a gallery of images of example mission equipment used by these Wings. Note: Due to the United States Air Force common practice of redesignating units, bases ...