Why are dwarf planets not considered true planets?

White dwarfs are the remaining core of star that didn't explode completely. Black holes are a whole different type of body and are not stars at all.

A white dwarf is made of degenerate matter, which is atoms, but the space squished between them. Its light comes from energy stored in it from its main sequence days....

The term dwarf planet was introduced in 2006 by the International Astronomical Union (IAU). The definition of a dwarf planet is that it orbits and it is large enough for...

Based on IAU a planet is a celestial body that: 1. orbits around . (ellipse orbit) 2. has sufficient mass in order for itself gravity to overcome rigid body forces...

Since Pluto was reclassified as a dwarf planet back in 2006 there are now 5 dwarf planets in our solar system, their names being: Ceres, Pluto, Haumea, Eris and Makemake....

Most dwarf planets re smaller and they are far away than the and they receive very less light from Sun..So systematic observation over long periods only they were detected. picture...

Demeter of dwarf planets Ceres 946KM Pluto 2372KM Haumea 1240KM Make make 1430KM Eris 2326KM.

With advances in technology and instrumentation, it is discoveries galore for distant dwarf planets with perihelion at 100+ AU level. Notable earlier and recent discoveries are the nearest-to-Sunr (asteroid...

A white dwarf is the remains of a dead star. It isn't massive enough or hot enough for any fusion reactions to take place. It is composed of carbon and...

Gametes produced by TTPP will be TP and that of ttpp will be tp if we cross pollinate them TP * tp the F 1 generation will be a...