On this day in 1990, the Hubble Space Telescope started sending images from space. The first image was of a cluster 1,350 light years from Earth, NGC 3532, in the more »
Tag: Astronomy
Portrait of William Herschel Astronomer Sir Frederick William Herschel on March 13, 1781 discovered the planet Uranus.He also later in his career discovered infrared radiation while testing telescope filters. His more »
Christiaan Huygens, Systema Saturnium; sive, De Causis Mirandorum Saturni Phænomenôn, et Comite ejus Planeta Nova [Saturnian system], 1659, Schematic of Saturn's rings From digital collection, Christiaan Huygens Systema Saturnium —Elizabeth more »