Planet Planet
Study guide for Planet under Physics Cosmic Physics for UPSC Civil Services Preparation. Study guide for Planet under Physics Cosmic Physics for UPSC Civil Services Preparation.
Planet
A planet is an astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.
Importance in UPSCUPSC में महत्व
Frequently tested in UPSC CSE Prelims via cosmic physics, space technology (exoplanets, space missions), and basic astronomy. Mains linkage involves space exploration, search for extraterrestrial life, and India's interplanetary missions (Mangalyaan, Chandrayaan, Shukrayaan).
Learning Outcomesसीखने के परिणाम
- Master foundational IAU definitions and physical criteria of planets and dwarf planets.
- Evaluate comparative characteristics of Terrestrial versus Jovian planets.
- Apply high-yield mnemonics to recall planetary orders, asteroid belts, and space missions.
Prerequisitesआवश्यक शर्तें
- Basic Physics
- Solar System Formation Hypotheses