22
Oct
Washington: NASA has used certain characters from modern myths such as the "Hulk" and "Godzilla" to name its new set of 21 gamma-ray constellations constructed in celebration of its Fermi Gamma-ray Space Telescope's 10th year of operations. Fermi has mapped about 3,000 gamma-ray sources -- 10 times the number known before its launch and comparable to the number of bright stars in the traditional constellations. "For the first time ever, the number of known gamma-ray sources was comparable to the number of bright stars, so we thought a new set of constellations was a great way to illustrate the point," NASA's…