Each MEO satellite is equipped with a cavity-stabilized laser (wavelength 1550 nm ... orbital planes and relaying synchronization signals between the orbital planes enables precise determination of ...

Hubble's image captures WR 25 and Tr16-244, two massive stars in the Trumpler 16 cluster within the Carina Nebula, 7,500 light-years away. This large Hubble mosaic combines images from Wide Field ...

Southern California residents who were looking up at the skies early Friday were treated to a dazzling display as SpaceX launched 23 satellites into orbit aboard a Falcon 9 rocket. AIR7 captured an up ...