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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 ...
The tiny cars fascinated the public, and their cost and space requirements were better suited to the average consumer than the larger scales. In only a year or two, Scalextric's 1:32 cars and Aurora's "Model Motoring" HO line had set off the "slot car craze" of the 1960s. [24] An Aurora "Thunderjet-500" HO chassis and motor, 1963-1971.
The images and spectra of Europa, published in the Planetary Science Journal, reveal that Europa’s crust is mainly composed of frozen water ice with non-ice materials contaminating the surface.
During Thursday's flyby, NASA's Juno probe made important observations about Europa, a leading candidate in the search for life beyond Earth. Side-by-side images from flybys of Europa show close ...
A gravity railroad (American English) or gravity railway (British English) is a railroad on a slope that allows cars carrying minerals or passengers to coast down the slope by the force of gravity alone. The speed of the cars is controlled by a braking mechanism on one or more cars on the train. The cars are then hauled back up the slope using ...
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 ...
The model car "kit" hobby began in the post World War II era with Ace and Berkeley wooden model cars. Revell pioneered the plastic model car in the late 1940s with their Maxwell kit, which was basically an unassembled version of a pull toy. Derek Brand, from England, pioneered the first real plastic kit, a 1932 Ford Roadster for Revell.