用“Saturn's ring”造句大全，Saturn's ring造句
WHY are Saturn's rings so spectacular?
The effects of the small moon Prometheus loom large on two of Saturn's rings in this image released by NASA.
Saturn's rings are only tens of meters from top to bottom even though they stretch across several hundred thousand kilometers; they are proportionally as thick as a sheet of tissue paper spread over a football field.
In 1988 we will be able to see Saturn's rings in their fullest glory.
Indeed, observations made with the Cassini spacecraft have shown that accretion processes are still active at the outer edge of Saturn's rings and on the satellites Pan and Atlas.
The theory neatly accounts for why Saturn's rings are nearly pure ice, while most objects in that part of the solar system are more an ice-rock blend.
The extreme thinness of Saturn's rings can be appreciated from frames taken near the crossing time.
Saturn's rings to be about one kilometer thick, making them many times thinner, in relative proportion, than a razor blade.
