Latest Ritchey-Chrétien telescope Stories
Engineers working on NASA's James Webb Space Telescope are bringing out the COCOA this winter, but it's not a warm beverage. Rather, it's a way to check that the mirrors are perfectly shaped and will work in the frosty environment of space.
Leading online telescope provider partners with International Year of Astronomy's 100 Hours of Astronomy Cornerstone Project to bring the event to the worldwide web. RODEO, N.M., March 29 /PRNewswire/ -- LightBuckets today announced their participation in the 100 Hours of Astronomy Cornerstone Project as part of the International Year of Astronomy activities.
Image Caption: The Subaru Telescope at the Mauna Kea Observatory on Hawaii. Credit: Denys/Wikipedia (CC BY-SA 3.0) The Subaru Telescope is a 26.9-foot (8.2m) telescope located at the Mauna Kea Observatory on the Big Island of Hawaii and operated by the National Astronomical Observatory of Japan (NAOJ). It had the largest primary mirror in the world until 2005. This is a reflecting telescope with a large field of view--called a Ritchey-Chretien--which has a primary mirror and a secondary...
- The act of burning, scorching, or heating to dryness; the state or being thus heated or dried.
- In medicine, cauterization.