The point in the orbit of the moon, or an artificial earth satellite, at which it is furthest from the earth. At apogee the moon is 406 700 km from the earth, some 42 000 km further away than at perigee, the nearest point to the earth.
See apse.
The point in an elliptical orbit around the Earth that is farthest from the Earth’s centre.
https://solarsystem.nasa.gov/galleries/near-and-far
The point at which a spacecraft, or other object, travelling in an elliptical orbit around the Earth is at its farthest from the Earth. This is an Earth-orbit apoapsis.
The point in the orbit of the Moon (or any artificial satellite) that is most distant from the Earth. Compare perigee.
- Mullane, Richard Michael (1945– )
- Mullard Radio Astronomy Observatory
- Mullard Space Science Laboratory
- Mulla Sadra (1571–1641)
- Muller, Alex
- Muller, Hermann Joseph
- Muller’s ratchet
- Mulliken, Robert Sanderson
- Mulliken, Robert Sanderson (1896–1986)
- mullion structure
- Mullis, Kary Banks
- Mulroney, Brian (1939–)
- multiaccess system
- multiaddress
- multiadhesive protein
- multi-angle imaging
- multi-beam receiver
- Multibus
- multicast
- multicast address
- multicast group
- multicasting
- multicavity microwave tube
- multicell storm
- multicellular