telescope Archive

Smallest star ever found is the size of Saturn

The smallest star yet measured has been discovered by a team of astronomers led by the University of Cambridge. With a size just a sliver larger than that of Saturn, the gravitational pull at its stellar surface is about 300 …

Near term technology for global big brother

A few thousand microsatellites with deployable telescopes could provide constant image monitoring of the earth at 0.25 meter to 0.5 resolution. This would scale up persistent drone monitoring to a global scale. There would be issues of data transmission and …