... opposition because their orbits lie closer to the sun than Earth's. OPTICAL TUBE ... For earthorbits periapsis is known as perigee (see below). ... PERIGEE: The closest point on an orbit to the earth. ...
... APOGEE: The point in the orbit of a natural or artificial satellite most distant from the earth. ... For earthorbits, apoapsis is called apogee . APOLLO-OBJECT: An asteroid whose orbit brings it closer to the Sun than Venus. ...
... which limits their geographic range or on satellites that orbit much closer to Earth ... Goodman explains: "Low-Earthorbit satellites observe a location such as Florida for ...
... When one large body (e.g., the Moon) is in orbit around another large body (e.g., Earth), there are five points in orbits around the larger body where gravitational forces balance out to enable satellites to be placed where they could not stay if the ...
... orbit whose orbit lies in the equatorial plane ( inclination = 0) and whose period is equal to the rotational rate of the earth ... GEOSYNCHRONOUS: An orbit whose period is equal to the rotational rate of the earth. ...
... might slow down its rotation, round the orbit, alter the distance of that body, or ... TRANSIT: The movement of an object between the Earth and the Sun and showing on the ...
... of the Geostationary Operational Environmental Satellites (GOES) and the Polar-orbiting Operational Environmental Satellites (POES) operated by NOAA is to keep an eye on space weather and provide early warning of solar events that could cause trouble for ...