Jul 13 1995
From The Space Library
Launch of Space Shuttle Discovery (mission STS-70) marked the 100th human spaceflight. This event occurred 34 years after Alan B. Shepard's historic 15-minute sub-orbital flight into space. STS-70's primary objective was deployment of the Tracking and Data Relay Satellite-G. Discovery used a new version of a main engine which took a decade to develop. (NASA Releases 95-32, 59 & 71; NY Times, Jul 14/95; W Post, Jul 14/95; USA Today, Jul 14/95, Jul 17/95; Fla Today, Jul 11/95, Jul 12/95, Jul 16/95 & Jul 17/95; AP, Jul 12/95, Jul 13/95 & Jul 20/95; UPI, Jul 12/95 & Jul 21/95; Reuters, Jul 20/95 & Jul 21/95; AV Wk, Jul 17/95)
Galileo's atmospheric probe was successfully released after almost six years. The probe will achieve the highest impact speed (106,000 mph) of any human-made object on December 7 as it passes into Jupiter's atmosphere. (NASA Releases 95-108, 111 & 122; NY Times, Jul 11/95 & Jul 28/95; W Post, Jul 13/95, Jul 14/95 & Jul 28/95; USA Today, Jul 12/95; Fla Today, Jul 12/95, Jul 13/95, Jul 14/95 & Jul 28/95; Reuters, Jul 13/95 & Jul 27/95; AP, Jul 12/95, Jul 13/95, Jul 25/95, Jul 27/95 & Aug 7/95; UPI, Jul 13/95; Science, Oct 27/95)
Several wave motions of the Sun were detected by the Ulysses spacecraft. The measurement of an approximately five-minute wave and another about three-hours long were made by particle detectors. The shorter wave was confirmed by corresponding tones in the magnetic field data. Ulysses mission scientists have also found that the solar wind in the Sun's polar regions is nearly twice the velocity measured at lower solar latitudes. The Ulysses spacecraft was designed to study the regions above the Sun's poles. It is jointly managed by NASA and the European Space Agency (ESA). Ulysses will reach a maximum northern latitude on July 31. The spacecraft will then begin to journey out to the orbit of Jupiter, returning in September 2000 to the vicinity of the Sun, which will then he at the peak of the 11-year solar cycle. (NASA Releases 95-26, 96 & 109; Fla Today, Apr 2/95)
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