Seven wonders of the Milky Way.

By observing the dance of this odd couple, astronomers calculated that this world must be incredibly dense - four times denser than Earth, which is the densest planet in our solar system. Features OVER the past decade, spacecraft have beamed back reports from some truly awe-inspiring destinations within our solar system. Sculptor dwarf galaxy Witness a proxy for the early universe The Sculptor dwarf galaxy appears as a gossamer of galactic fluff on the outskirts of the Milky Way - taking us to the furthest and final stop on our tour. PSR J1719-1438 b Goggle at a diamond planet When is a planet not a planet?. [Extracted from the article]