More information: Dingrong Xiong et al, A Characteristic Optical Variability Timescale in Jetted Active Galactic Nuclei: A Large Gamma-Ray Emission Sample, The Astrophysical Journal Supplement ...

Celestial motifs, galactic patterns, and cosmic elements infuse a sense of wonder into the very fabric of watch designs." ...

Virgin Galactic's passenger rocket plane VSS Unity, borne by twin-fuselage carrier jet dubbed VMS Eve, takes off with billionaire entrepreneur Richard Branson and his crew for travel to the edge ...

Celestial motifs, galactic patterns, and cosmic elements infuse a sense of wonder into the very fabric of watch designs." ...