StarDate
Adaptive Optics
Sirius, the brightest star in the night sky, is in the south at nightfall. If you keep your eye on it for a few seconds, though, youll see that Sirius isnt steady. It twinkles fiercely. It gets brig
Sirius, the brightest star in the night sky, is in the south at nightfall. If you keep your eye on it for a few seconds, though, youll see that Sirius isnt steady. It twinkles fiercely. It gets brig