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  2. Launch window - Wikipedia

    en.wikipedia.org/wiki/Launch_window

    A launch window indicates the time frame on a given day within the launch period that the rocket can launch to reach its intended orbit. [8] [9] This can be as short as a second (referred to as an instantaneous window) or as long as the entire day. The launch window can straddle two calendar days (for example, starting at 11:46 p.m. and ending ...

  3. Planetary hours - Wikipedia

    en.wikipedia.org/wiki/Planetary_hours

    As each day is divided into 24 hours, the first hour of a day is ruled by the planet three places down in the Chaldean order from the planet ruling the first hour of the preceding day; [2] i.e. a day with its first hour ruled by the Sun ("Sunday") is followed by a day with its first hour ruled by the Moon ("Monday"), followed by Mars ("Tuesday ...

  4. Jupiter - Wikipedia

    en.wikipedia.org/wiki/Jupiter

    Jupiter is the fifth planet from the Sun and the largest in the Solar System.It is a gas giant with a mass more than 2.5 times that of all the other planets in the Solar System combined and slightly less than one-thousandth the mass of the Sun.

  5. Exploration of Jupiter - Wikipedia

    en.wikipedia.org/wiki/Exploration_of_Jupiter

    Jupiter would deliver about 36 Sv (3600 rem) per day to unshielded astronauts at Io and about 5.4 Sv (540 rems) per day to unshielded astronauts at Europa, [89] which is a decisive aspect due to the fact that already an exposure to about 0.75 Sv over a period of a few days is enough to cause radiation poisoning, and about 5 Sv over a few days ...

  6. This is the closest photo of Jupiter anyone has seen in ... - AOL

    www.aol.com/article/2016/08/30/this-is-the...

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  7. Jupiter and Mars are about meet up: How to see the ... - AOL

    www.aol.com/jupiter-mars-meet-see-planetary...

    The view shows Jupiter including its Great red Spot captured by NASA's Juno spacecraft on the outbound leg of its 12th close flyby of the gas giant planet, April 1, 2018.

  8. Sidereal time - Wikipedia

    en.wikipedia.org/wiki/Sidereal_time

    Viewed from the same location, a star seen at one position in the sky will be seen at the same position on another night at the same time of day (or night), if the day is defined as a sidereal day (also known as the sidereal rotation period). This is similar to how the time kept by a sundial can be used to find the location of the Sun

  9. Jupiter moon of Io is famed for its volcanoes. NASA just ...

    www.aol.com/news/jupiter-moon-io-famed-volcanoes...

    That mission, which is slated to end in September 2025, also extends to Jupiter's rings and many moons. Juno’s trajectory passes by Io every other orbit, flying over the same part of the moon ...