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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 ...
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 ...
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.
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.
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Modern commercially made slot cars and track. Ninco, 1:32 scale. Slot car racing (also called slotcar racing or slot racing) is the competitive hobby of racing with powered miniature autos (or other vehicles) which are guided by grooves or slots in the track on which they run. Slot cars are usually models of actual automobiles, though some have ...
A roller coaster is a machine that uses gravity and inertia to send a train of cars along a winding track. [1] The combination of gravity and inertia, along with g-forces and centripetal acceleration give the body certain sensations as the coaster moves up, down, and around the track. The forces experienced by the rider are constantly changing ...