Search results
Results from the WOW.Com Content Network
JP11 – a 1978 catalog compiling photometric measurements in Harold Johnson's 11-color photometric system ; Jsp — Morris Ketchum Jessup (double stars) Juchert — (open star clusters) Juchert-Saloranta (telescopic asterisms) JW — Jones' & Walker's list of stars near the Orion Nebula.
AMSAT-OSCAR-40, also known as AO-40 or simply OSCAR 40, [1] was the on-orbit designation of an amateur radio satellite of the OSCAR series. Prior to launch, the spacecraft was known as Phase 3D or "P3D". AO-40 was built by AMSAT. AO-40's project manager was Peter Guelzow of AMSAT-DL, the German AMSAT organization.
This original ASTRO system was later converted to ASTRO 25. Today, ASTRO 25 is widely used for public safety communications. [9] ASTRO 25 enables federal, state, and local public safety agencies to achieve compatibility and communicate in emergencies and widespread disasters, such as Hurricane Katrina [10] and the Boston Marathon bombing. [11 ...
The Emergency Alert System began to build up on most cable television systems through the installation of then-new generators and encoders between 1997 and 1999. Some of the notable EAS generators at the time include Video Data Systems, Texscan, Gorman-Redlich, Idea/Onics, and Cable Envoy; and encoders include SAGE, TFT, and Trilithic models.
When Edmund Scientific introduced the telescope in 1976 they called it "The Edmund Wide-Field Telescope" with a Part Number "2001" [5] Edmund had a public contest which ran until November 15, 1976, to come up with a name. [6] The winning name was "Astroscan 2001". The "2001" part of the name was dropped over time.
The 2013 Chelyabinsk meteor event is the only known impact in historical times to have resulted in a large number of injuries, with the potential exception of the possibly highly deadly but poorly documented 1490 Qingyang event in China. The approximately 20 meter Chelyabinsk meteor is the largest recorded object to have impacted a continent of ...
Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.
Astronomer George Ellery Hale, whose vision created Palomar Observatory, built the world's largest telescope four times in succession. [8] He published a 1928 article proposing what was to become the 200-inch Palomar reflector; it was an invitation to the American public to learn about how large telescopes could help answer questions relating to the fundamental nature of the universe.