[DOC] [TLE] Compton Gamma Ray Observatory - Wikipedia [PAR] The Compton Gamma Ray Observatory (CGRO) was a space observatory 
detecting light from 20 keV to 30 GeV in Earth orbit from 1991 to 2000. ... Atlantis 
during STS-37 on April 5, 1991, and operated until its deorbit on June 4, 2000. ... 
Agency and various universities, as well as the U.S. Naval Research Laboratory. [DOC] [TLE] Free Flashcards about ASTRONOMY - StudyStack [PAR] PTOLEMY'S SYSTEM OF ASTRONOMY HELD UP UNTIL 1543, WHEN THIS 
POLISH ..... THE USA'S GAMMA RAY OBSERVATORY ORBITED THIS PLANET 
FROM 1991 TO 2000, WHEN IT DEORBITED AND SAFELY CRASHED, EARTH. [DOC] [TLE] Spaceflight Now | CGRO Deorbit | Mission Status Center [PAR] June 4, 2000 -- Follow the Compton Gamma Ray Observatory's reentry into the ... 
Compton recorded over 2500 gamma ray bursts; before Compton, only ... 
designed to deorbit the craft in a controlled fashion to protect public safety. ... Also
, the predicted perigee of this orbit will be 31 miles, causing the craft to ..... U.S. 
STORE [DOC] [TLE] Notable Unstaffed Lunar and Interplanetary Probes - Infoplease [PAR] Surveyor 1 (U.S.), May 30, 1966, Moon, Landed June 2, 1966. .... Observatory (
U.S.), April 7, 1991, Earth orbit, To make first survey of gamma-ray sources 
across... [DOC] [TLE] Time Line of Space Exploration - RocketMime [PAR] October 11, 1958 - Pioneer 1, U.S. - IGY space probe, launched to a height of ... 
On April 24 it crashed, killing Komarov, the first spaceflight fatality. ... 9 (launched 
May 30, 1971) is the first spacecraft to orbit another planet, Mars. .... April 5, 1991 
- Space Shuttle Atlantis carries the Compton Gamma Ray Observatory into orbit. [DOC] [TLE] The Millennium - Space Today Online [PAR] 1960: The U.S. launches TIROS-1, the first weather satellite in orbit. ... Venera 3 
is the first to reach another planet when it crashes into Venus. ... Gamma-ray 
astronomy detects gamma-rays arriving at Earth from deep space. .... 1982, 
USSR, Salyut 7, 1991 .... 2000: Deorbiting of Compton Gamma Ray Observatory 
and huge... [DOC] [TLE] StarChild: Compton Gamma-Ray Observatory [PAR] The Compton Gamma-Ray Observatory was launched April 7, 1991 and 
observed the high-energy Universe until June 4, 2000 when it safely de-orbited 
and... [DOC] [TLE] Compton Gamma Ray Observatory - HEASARC - NASA [PAR] The CGRO Mission (1991 - 2000). CGRO Anniversary Science Session (Jun 23, 
2016). CGRO Cartoon. The Compton Gamma Ray Observatory was the second 
of NASA's Great Observatories. ... Compton was safely deorbited and re-entered 
the Earth's ... If you have a question about CGRO, please contact us via the... [DOC] [TLE] The Year 2000 - Nostradamus and the New Prophecy Almanacs [PAR] On February 16, a joint US-British air attack on sites in the suburbs of Baghdad 
fulfilled ... On June 4, the Compton Gamma Ray Observatory -- the largest space 
orbiter after Mir and ISS -- was de-orbited and safely crashed into the Pacific. ... 
On March 18, 2000, thirteen days before the April vector began, 940 members of 
the... [DOC] [TLE] Compton Gamma Ray Observatory - National Aeronautics and ... [PAR] The Compton Gamma Ray Observatory (CGRO) was a space observatory 
detecting ... during STS-37 on April 5, 1991, and operated until its deorbit on 
June 4, 2000. It was deployed in low earth orbit at 450 km (Template:Convert/
outsep) to ... Agency and various universities, as well as the U.S. Naval Research 
Laboratory. [DOC] [TLE] Biggest satellite crashes - Fun Kids - the UK's children's radio station [PAR] Every now and again, a satellite will fall from orbit back to Earth. ... It crashed into 
the Pacific Ocean on 15 January 2012. Compton Gamma Ray Observatory ... in 
orbit like Hubble, NASA carried out a controlled re-entry on 4 June 2000, the ... 
On 7 February 1991 the Soviet space station Salyut 7 crashed back

Question: The USA's Gamma Ray Observatory orbited this planet from 1991 until 2000, when it deorbited and safely crashed
Answer: Earth