TEHRAN, Feb 21 - Scientists at the National Institute of Standards and Technology have designed a custom frequency comb to boost the precision of the Hobby-Eberly Telescope in Texas.
TEHRAN, December 17 -A comet will make one of the closet flybys of earth in decades on Sunday, providing the opportunity for some to see it without the use of a telescope.
TEHRAN, December 01 - "GRAVITY allowed us to resolve, for the first time ever, the motion of gas clouds around a central black hole," researcher Eckhard Sturm said.
TEHRAN, July 18 -The Very Large Telescope has achieved first light using its new optics technique called laser tomography. Astronomers with the European Southern Observatory used the new technology to image Neptune in an unprecedented detail.