point of periapsis
ریشه و کاربرد
ریشه
The word 'point' comes from Old French 'point', meaning 'dot' or 'sharp end'. 'Periapsis' comes from Greek 'peri', meaning 'near' or 'around', and 'apsis', meaning 'arch' or 'curve'.
مثال
- The point of periapsis for a satellite is when it is closest to the Earth.
- The point of periapsis for a planet's orbit is the closest distance to the Sun.
- Astronomers study the point of periapsis to understand the dynamics of celestial bodies.
ترکیبهای رایج
Point of periapsis Orbit around Celestial body Closest point
تعریف انگلیسی
noun
- (astronomy) the point in an orbit closest to the body being orbited