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2. Europa Clipper - Wikipedia

   en.wikipedia.org/wiki/Europa_Clipper

   The high-gain antenna operates on X-band frequencies of 7.2 and 8.4 gigahertz, and a Ka-band frequency of 32 gigahertz (12 times that of a typical cell phone).The antennas will be used to research gravity and radio science, allowing researchers to learn more about Europa's gravity [88] It was designed and constructed by a team led by Matt Bray ...

3. Gravity battery - Wikipedia

   en.wikipedia.org/wiki/Gravity_battery

   Pendulum clock driven by three weights as "gravity battery". An old and simple application is the pendulum clock driven by a weight, which at 1 kg and 1 m travel can store nearly 10 Newton-meter [Nm], Joule [J] or Watt-second [Ws], thus 1/3600 of a Watt-hour [Wh], while a typical Lithium-ion battery 18650 cell [2] can hold about 7 Wh, thus 2500 times more at 1/20 of the weight.

4. Europa Clipper Magnetometer - Wikipedia

   en.wikipedia.org/wiki/Europa_Clipper_Magnetometer

   An exact replica of the boom that will be used for the magnetometer aboard Europa Clipper, designed as a test model. [1] The ECM is a highly sensitive and precise magnetometer used to measure small changes in the characteristics of Europa's magnetic field, studying how they vary according to time and location. The instrument will be stowed in a ...

5. Ratchet (device) - Wikipedia

   en.wikipedia.org/wiki/Ratchet_(device)

   A ratchet consists of a round gear or a linear rack with teeth, and a pivoting, spring-loaded finger called a pawl (or click, in clocks and watches [1] [2]) that engages the teeth. The teeth are uniform but are usually asymmetrical, with each tooth having a moderate slope on one edge and a much steeper slope on the other edge.

6. Europe’s deepest mine to become giant gravity battery - AOL

   www.aol.com/news/europe-deepest-mine-become...

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7. Galileo project - Wikipedia

   en.wikipedia.org/wiki/Galileo_project

   Galileo returned to Europa on E6 in January 1997, this time at a height of 586 kilometers (364 mi), to analyze oval-shaped features in the infrared and ultraviolet spectra. Occultations by Europa, Io and Jupiter provided data on the atmospheric profiles of them, and measurements were made of Europa's gravitational field.

8. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   A common size for cells inside cordless tool battery packs. This size is also used in radio-controlled scale vehicle battery packs and some Soviet multimeters. 1 ⁄ 2-, 4 ⁄ 5 - and 5 ⁄ 4-sub-C sizes (differing in length) are also available. Soviet 332 type can be replaced with R10 (#4, 927, BF, U8) or 1.5 V elements from 3 V 2xLR10 packs ...

9. Fla. Man Accused of Beating Golfer to Death With Golf Clubs ...

   www.aol.com/fla-man-accused-beating-golfer...

   A Florida man is accused of beating another man to death with golf clubs on a course in Palm Beach County. A probable cause affidavit filed by the Palm Beach Gardens Police Department obtained by ...