Sentences with phrase «dense as an atom»
When a Type Ib, Type Ic or Type II supernova results from a star with an inner core of less than 3 solar masses, it creates a neutron star with a core about as dense as an atom's nucleus and a powerful magnetic field.
https://science.howstuffworks.com/ Not exact matches
As the gas becomes denser, two hydrogen atoms could occasionally combine to form a single hydrogen molecule.
Clumpiness begot more clumpiness, as gravity pulled more matter into these dense regions, and clouds of gas, composed mostly of hydrogen atoms, began to assemble.
Regarding the origins of BB radiation as far as I'm aware it requires a dense medium where the molecules (atoms) are in close proximity whereas in a gas they are acting as individuals.