From 70 mph, the hefty Challenger SRT Hellcat came to a stop in only 159 feet. Thatâs impressiveâand in the neighborhood of the 150- and 156-foot stops we recorded in our long-term Camaro and Mustang.
1 Answer. , works at Studying. Gas giants do have a solid core. Its mostly hard rock, and is surrounded by hydrogen and light gases. It is believed that due to the high pressure , the hydrogen near the core is metallic, but the exact physical composition is a mystery.
Giant stars. Begin with stars more or less like the Sun, those with masses from about 0.8 times that of the Sun to about 5 times the solar mass. When the fuel in a solar-type star's core runs out, the helium core contracts under the effect of gravity and heats up.