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Europa's gravity is approximately 13% of Earth's. The temperature on Europa varies from −160 °C at the equator, to −220 °C at either of its poles. [145] Europa's subsurface ocean is thought to be significantly [clarification needed] warmer however. It is hypothesized that because of radioactive and tidal heating (as mentioned in the ...
Europa Clipper is designed to follow up on evidence for a subsurface ocean underneath Europa's ice crust, found using the Galileo spacecraft which orbited Jupiter from 1995 to 2003. Plans to send a spacecraft to Europa were initially conceived with projects such as Europa Orbiter and Jupiter Icy Moons Orbiter , in which a spacecraft would be ...
In a local model train store he came up with the idea for the world's largest model railway. [7] Back in Hamburg, he searched for email addresses online and started a survey on the popularity of real and fictional sights of the city. In the process, the Miniatur Wunderland, which did not yet exist, was ranked 3 by male respondents.
Using 32 mm (1.26 in) - 0 gauge - track, there is an extensive range of 16 mm to the foot scale [1:19] live-steam and other types of locomotives, rolling stock and accessories. Many of these models are dual gauge, and can be converted to run on 45 mm ( 1.772 in ) track ( gauge 1 ), and radio control is common.
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The plastic track had two such lanes, and cars could change lanes with the flick of a switch on the controller. TCR sets came with "jam cars", a slow moving drone which both racers had to avoid crashing into. Like Matchbox's Powertrack, some cars featured lights. The first sets consisted of up to 4 Formula 5000 cars. The track (which stayed the ...
1:29 G scale boxcar by Aristo-Craft on G gauge track 1:32 scale 2-bay offset hopper by Mainline America. G scale or G gauge, also called large scale (45 mm or 1 + 3 ⁄ 4 inches), is a track gauge for model railways which is often used for outdoor garden railways because of its size and durability.
The g-force acting on a stationary object resting on the Earth's surface is 1 g (upwards) and results from the resisting reaction of the Earth's surface bearing upwards equal to an acceleration of 1 g, and is equal and opposite to gravity. The number 1 is approximate, depending on location.