Search results
Results from the WOW.Com Content Network
A NASA compilation of mission names and acronyms referred to the mission by the backronym Jupiter Near-polar Orbiter. [12] However the project itself has consistently described it as a name with mythological associations [13] and not an acronym. The spacecraft's current name is in reference to the Roman goddess Juno. [11]
In early December 1899 the Sun and the naked-eye planets appeared to lie within a band 35 degrees wide along the ecliptic as seen from the Earth. As a consequence, over the period 1–4 December 1899, the Moon reached conjunction with, in order, Jupiter, Uranus, the Sun, Mercury, Mars, Saturn and Venus.
The adjectival forms of the names of astronomical bodies are not always easily predictable. Attested adjectival forms of the larger bodies are listed below, along with the two small Martian moons; in some cases they are accompanied by their demonymic equivalents, which denote hypothetical inhabitants of these bodies.
Jupiter is 5.2 AU (780 × 10 ^ 6 km; 480 × 10 ^ 6 mi) from the Sun, or about five times the Earth-Sun distance. [18] The Jupiter Trojans are at a similar distance but can be somewhat farther or closer to the Sun depending on where they are in their orbits. There may be as many Trojans as there are Main-belt asteroids. [19]
Thus, the Sun occupies 0.00001% (1 part in 10 7) of the volume of a sphere with a radius the size of Earth's orbit, whereas Earth's volume is roughly 1 millionth (10 −6) that of the Sun. Jupiter, the largest planet, is 5.2 AU from the Sun and has a radius of 71,000 km (0.00047 AU; 44,000 mi), whereas the most distant planet, Neptune, is 30 AU ...
Artist's depiction of Pioneer 10, the first spacecraft to visit Jupiter. The exploration of Jupiter has been conducted via close observations by automated spacecraft.It began with the arrival of Pioneer 10 into the Jovian system in 1973, and, as of 2024, has continued with eight further spacecraft missions in the vicinity of Jupiter and two more en route.
Spacecraft Destination Launched Closest approach Time elapsed Notes Ref Pioneer 10: Jupiter 3 March 1972 3 December 1973 641 days (1 yr, 9 mos, 1 d) Pioneer 10 was the first spacecraft to fly by Jupiter. [88] Pioneer 11: Jupiter 6 April 1973 4 December 1974 608 days (1 yr, 7 mo, 29 d) Pioneer 11 flew by Jupiter. [89] Saturn 1 September 1979 ...
The mission took 126 Earth days after launch to reach the halo orbit around the L1 point, which is about 1,500,000 km (930,000 mi) from Earth. [25] The spacecraft is planned to remain in the halo orbit for its mission duration while being maintained at a stationkeeping Δv of 0.2–4 m/s per year. [26]