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.
Secondly, and more commonly, the core of the star can still be surrounded by some layers of hydrogen, which continue to fuse and cause the star to expand, becoming a red giant. A red giant is a star in the process of fusing helium to form carbon and oxygen.