Author Question: While Galileo saw Saturn as a changing oval, the real nature of the rings was discovered by: A) ... (Read 59 times)

Tazate · **on:** Jul 27, 2018

While Galileo saw Saturn as a changing oval, the real nature of the rings was discovered by:

A) Halley.
B) Newton.
C) Lowell.
D) Huygens.
E) Cassini.

Question 2

The central star of the Crab Nebula has now collapsed into a(n) ________, whose energy keeps this famous nebula visible even in binoculars.

Fill in the blank(s) with correct word