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Pioneer 11 (also known as Pioneer G) is a NASA robotic space probe launched on April 5, 1973, to study the asteroid belt, the environment around Jupiter and Saturn, the solar wind, and cosmic rays. [2] It was the first probe to encounter Saturn, the second to fly through the asteroid belt, and the second to fly by Jupiter.
Pioneer 9 (Pioneer D) – launched November 1968 (inactive since 1983) Pioneer E – lost in launcher failure August 1969; Pioneer 6 and Pioneer 9 are in solar orbits with 0.8 AU distance to the Sun. Their orbital periods are therefore slightly shorter than Earth's. Pioneer 7 and Pioneer 8 are in solar orbits with 1.1 AU distance to the Sun.
Pioneer 10 was launched in March 1972 and passed within 200,000 kilometers (120,000 mi) of Jupiter in December 1973. It was followed by Pioneer 11, which was launched in April 1973, and passed within 34,000 kilometers (21,000 mi) of Jupiter in December 1974, before heading on to an encounter with Saturn. [9]
Voyager 1 overtakes Pioneer 10 as the most distant spacecraft from the Sun, at 69.419 AU. Voyager 1 is moving away from the Sun at over 1 AU per year faster than Pioneer 10. 2004-12-17 Passed the termination shock at 94 AU and entered the heliosheath. 2007-02-02 Terminated plasma subsystem operations. 2007-04-11 Terminated plasma subsystem heater.
Here's what officials say happened. Anthony Robledo, USA TODAY. December 11, 2024 at 3:40 PM. ... The Pioneer Woman 'Calmcations' are the most relaxing way to travel this year. News.
1999: America Online has over 18 million subscribers and is now the biggest internet provider in the country, with higher-than-expected earnings. It acquires MapQuest for $1.1 billion in December.
November 8, 2024 at 11:02 AM. ... Here's a recap of what happened. In September 2023, an FDA advisory committee of 16 experts held a two-day meeting, which culminated with the announcement that ...
The Mountain Meadows Massacre (September 7–11, 1857) was a series of attacks during the Utah War that resulted in the mass murder of at least 120 members of the Baker–Fancher wagon train.