List of space telescopes

Columns: Name | Space Agency | Launch Date | Terminated | Location
1st High Energy Astronomy Observatory ( HEAO 1 ) | NASA | 12 Aug 1977 | 9 Jan 1979 | Earth orbit ( 445 km ) | Einstein Observatory ( HEAO 2 ) | NASA | 13 Nov 1978 | 26 Apr 1981 | Earth orbit ( 465-476 km ) | Hakucho ( CORSA-b ) | ISAS | 21 Feb 1979 | 16 Apr 1985 | Earth orbit ( 421-433 km ) | 3rd High Energy Astronomy Observatory ( HEAO 3 ) | NASA | 20 Sep 1979 | 29 May 1981 | Earth orbit ( 486.4-504.9 km ) | Tenma ( Astro-B ) | ISAS | 20 Feb 1983 | 19 Jan 1989 | Earth orbit ( 489-503 km ) | Astron | IKI | 23 Mar 1983 | Jun 1989 | Earth orbit ( 2,000-200,000 km ) | EXOSAT | ESA | 26 May 1983 | 8 Apr 1986 | Earth orbit ( 347-191,709 km )

Example questions:
How many experiments were on board the X-ray space telescope launched in May 1975 ? | What was the X-ray space telescope launched in 1970 famous for being the first to do ? | What type of rocket was used to launch the X-ray space telescope in 1974 ? | How many observations did the X-ray space telescope make that was launched in May of 1983 ?

Answers:
four | X-ray astronomy | Scout | 1780