I think he just became fascinated mkay
Answer:
D. Comets spend most of their time far from the Sun.
The future of the Universe will be determined by the struggle between the momentum of its expansion and the pull of gravity. ... The vertical scale indicates the size of the Universe. For the next several billion years, the expansion of the Universe gradually slowed down due to the effects of gravity on matter.
There is no list??
Provide one and I’ll answer
