| http://www.w3.org/ns/prov#value | - Description ESA???s Herschel space observatory has observed 132 of the known 1400 cold worlds that inhabit a region of the Solar System beyond the orbit of Neptune, some 4.5???7.5 billion km from the Sun.These ???trans-Neptunian objects???, or TNOs, include worlds such as Pluto, Eris, Haumea and Makemake, and make up a vast population of such objects thought to occupy these far-flung reaches of th
|
