secondary+planet
41The Hitchhiker's Guide to the Galaxy Primary and Secondary Phases — The terms Primary Phase and Secondary Phase describe the first two radio series of The Hitchhiker s Guide to the Galaxy . [The spelling of Hitchhiker s Guide has varied in different editions. For consistency this article always spells it this way …
42Definition of planet — Photograph of the crescent planet Neptune (top) and its moon Triton (center) …
43Dwarf planet — Not to be confused with Minor planet. Ceres as seen with the Hubble Space Telescope. It is the only dwarf planet in the asteroid belt …
44IAU definition of planet — This article is about the formal definition established in 2006. For prior usage, see Definition of planet. The definition of planet set in 2006 by the International Astronomical Union (IAU) states that, in the Solar System, a planet is a… …
45Uninhabited Planet Survive! — Uninhabited Planet Survive First DVD Box Cover Artwork 無人惑星サヴァイヴ (Mujin Wakusei Survive) Genre …
46Mary Ward Catholic Secondary School — Address 3200 Kennedy Road Scarborough, Ontario, M1V 3S8, Canada Information …
47Terrestrial planet — The terrestrial planets Mercury, Venus, Earth, and Mars, and dwarf planet Ceres. Sizes to scale A terrestrial planet, telluric planet or rocky planet is a planet that is composed primarily of silicate rocks and/or …
48Minor planet moon — 243 Ida and its moon Dactyl as imaged by the Galileo spacecraft in 1993 …
49Meanings of minor planet names: 15001–16000 — As minor planet discoveries are confirmed, they are given a permanent number by the IAU s Minor Planet Center, and the discoverers can then submit names for them, following the IAU s naming conventions. The list below concerns those minor planets …
50Risks to civilization, humans and planet Earth — This article is about the near and very far future. For past civilizations, see Societal collapse. Contents 1 Types of risks 2 Future scenarios 2.1 …
