Direct Imaging of Exoplanets Using Optical Vortex Coronagraphs Using Telescopes With Five Times Smaller Diameter
Ad Support : Business Success How to Make Money Executive Jobs Paid Surveys Universe Today – exoplanets orbit the star HR 8799, and have been imaged directly before, by one of the 10-meter (33-foot) Keck telescopes and the 8.0-meter (26-foot) Gemini North Observatory in 2008 Now they have been imaged by using just a 1.5-meter-diameter (4.9-foot) …