Sentences with phrase «about planetary rings»

Haumea is a much larger object further out in the solar system, and together with the centaurs can help scientists learn more about planetary rings in general, writes Amanda A. Sickafoose, astronomer at MIT and the South African Astronomical Observatory, in a Nature commentary.

Not exact matches

Those measurements reveal that the B ring, which makes up 80 percent of the total ring mass, is about 15 billion billion kilograms, or 0.4 times that of Saturn's moon Mimas, planetary scientist Luciano Iess of Sapienza University of Rome said at the meeting on December 12.

The expedition is helping answer important questions about the Chicxulub impact event and peak - ring crater formation on planetary bodies.