investigations. After launch, they were denoted HEAO 1, HEAO 2 (also known as The Einstein Observatory), and HEAO 3, respectively. The large (~3000 kg) satellites...

successfully attaining orbit. The High Energy Astronomy Observatory (HEAO) program originated in the late 1960's within the Astronomy Missions Board at...

Chandra similarly had no ground predecessors. It followed the three NASA HEAO Program satellites, notably the highly successful Einstein Observatory, which...

HEAO-1 was an X-ray telescope launched in 1977. HEAO-1 surveyed the sky in the X-ray portion of the electromagnetic spectrum (0.2 keV – 10 MeV), providing...

Observatories' may be coming for NASA". space.com. Retrieved September 16, 2022. HEAO NASA "POES History - Polar-orbiting Satellites: The First to be Launched"...

flown: HEAO 1 in August 1977, HEAO 2 (also called the Einstein Observatory) in November 1978, and HEAO 3 in September 1979. Fred A. Speer was the HEAO project...

Energy Astronomy Observatory (HEAO 1) Einstein Observatory (HEAO 2) 3rd High Energy Astronomy Observatory (HEAO 3) HEAO Program Note that the correct (original)...

Astronomy Observatory program High Energy Astronomy Observatory 1 (HEAO 1), launched August 1977, completed Einstein Observatory (HEAO 2) launched November...

Research Center for Pioneer 10 1978 – Nelson P. Jackson Aerospace Award for HEAO Program 1988–1989 – Emmy Award for analog/digital video conversion technology...

The last of NASA's three High Energy Astronomy Observatories, HEAO 3 was launched 20 September 1979 on an Atlas-Centaur launch vehicle, into a nearly circular...

of satellites that were active from the 1980s to the early 2000s: the HEAO Program, EXOSAT, Ginga, RXTE, ROSAT, ASCA, as well as BeppoSAX, which detected...

observations. HEAO included four large X-ray and gamma-ray astronomy instruments, known as A1, A2, A3, and A4, respectively (before launch, HEAO 1 was known...

Arrive". September 20, 1979 Successful launch of the TRW-built HEAO-3 to complete the program’s mission of probing the electromagnetic spectrum. June 10, 1980...

Lotte. After high school, Oostveen studied International Management at the HEAO and attended an acting course at the Mountview Theatre School in London....

father is Dutch, while his mother is of Italian descent. He studied the HEAO communication. In 1999, he started with stand-up comedy. He is part of a...

Technology (MIT) from 1975 to 1978 as project scientist in charge of the orbiting HEAO-1 A4 hard x-ray and gamma ray experiment, launched in August 1977. His involvement...

Lewin was co-principal investigator on High Energy Astronomy Observatory 1 HEAO-1 (A4), which has yielded the first all sky catalog at high-energy X rays...

Henry, J. P.; Jones, C.; Kellogg, E.; Koch, D. (June 1979). "The Einstein /HEAO 2/ X-ray Observatory". The Astrophysical Journal. 230: 540. Bibcode:1979ApJ...

until the development of the high-energy astronomical observatory program. The HEAO-3 spacecraft with cooled Ge detectors allowed the clear detection...

Trajectory Details (HEAO 3)". NASA. Archived from the original on 2017-02-08. Retrieved 2008-02-27. "NASA – NSSDC – Spacecraft – Details (HEAO 3)". NASA. Archived...

meantime, in 1978, NASA launched the first imaging X-ray telescope, Einstein (HEAO-2), into orbit. Work continued on the AXAF project throughout the 1980s and...

Applications Technology Satellite/High Energy Astronomy Observatory (ATS/HEAO) language family." Page, Brenda J. "An English language interface for constrained...

(1997–2005) HEAO-1 (1977–1979) Herschel (2009–2013) Hinotori (Astro-A) (1981–1991) Hisaki (SPRINT-A) (2013–2023) HEAO-2 (Einstein Obs.) (1978–1982) HEAO-3 (1979–1981)...

astronomy program at UCSD". Advances in Space Research. 14 (2): 151. Bibcode:1994AdSpR..14b.151P. doi:10.1016/0273-1177(94)90082-5. "The HEAO-3 Satellite"...

a spectrograph on the Subaru Telescope HE – (catalog) Hamburg/ESO Survey HEAO – (telescope) High Energy Astronomical Observatory, a series of X-ray and...

(1997–2005) HEAO-1 (1977–1979) Herschel (2009–2013) Hinotori (Astro-A) (1981–1991) Hisaki (SPRINT-A) (2013–2023) HEAO-2 (Einstein Obs.) (1978–1982) HEAO-3 (1979–1981)...

in the morning local time (05:24 UTC). HEAO-2, the second High Energy Astronomy Observatory Program. Unlike HEAO 1, which conducted "sky survey" searches...

highly decorated Air Force colonel, involved in the military atomic energy program, and had served with the Joint Chiefs of Staff. He was also a prominent...

corona as obtained from the first coronal X-ray spectrum of Capella using HEAO 1 required magnetic confinement unless it was a free-flowing coronal wind...

Chief engineer for the satellite series high energy astronomy observatory (HEAO). Worked as a consultant for the layout of the Spacelab. Electrical system...