Astronomical Unit - It is a measure of distance equals the mean distance between earth and sun (150x10^6 km)
Escape Velocity - Velocity required for a body to escape the attractive force of the planet/star. (for more details click the highlighted heading)
Frame of reference : Reference based on which the position of the body is described.
Force : Rate of change in momentum
Free fall : Body moving freely under the influence of the gravitational field , An observer in a freely falling body is in a state of weightlessness,It can be either Orbital or Sub orbital flight
Geo-Synchronous Orbit : Orbit having an angular velocity equal to the angular velocity of the planet around which orbit takes place.(for more details click the highlighted heading)
Geo-Stationary Orbit (Clarke orbit) : An orbit in the equatorial plane of the reference planet or celestial body such that the orbiting body appears to be fixed point for any observer on the reference planet or celestial body. (for more details click the highlighted heading)
Gravitational constant G : The constant in the universal law of gravitational force giving the attractive force between two masses separated by a given distance.when the mass is expressed in 'kg' and the distance in 'm' , the gravitational constant is 6.670 x 10^-11 Nm2/Kg2
Gravitational field : Force of attraction on a mass 'm' kg in a gravitational field 'g' is m x g N , Unit of gravitational field is m/s2
Impulse : change of Momentum.
Inclination : Angle between orbital plane and equatorial plane of the planet.
Inertial frame of Reference : A frame of reference that is absolutely stationary or moves at constant velocity
Kepler's Laws : laws describing the motion of planets in the solar system.
1.Law of Ellipses
2.Law of equal areas
3.Law of harmonies
(for more details click the highlighted heading)
Molniya Orbit : Highly Elliptic orbit about the earth with large eccentricity and an apogee of about 400,000 km in the northern hemisphere.
Momentum : Product of mass of a body and its velocity
Orbit : Trajectory or path of motion in space ; path in which a planet ,satellite or spaceship moves
Orbital velocity : Velocity along the path of the orbit
Polar orbit : Orbit having an inclination of 90 degrees
Pseudo-force : Fictitious force in a non-inertial frame of reference of correctly describe the motion of the body in the non-inertial frame of reference .In a rotational frame of reference ,the pseudo force is a centrifugal force
Sun Synchronous orbit : A polar orbit in which angle between the line joining sun with Earth and the orbital plane remains constant
Escape Velocity - Velocity required for a body to escape the attractive force of the planet/star. (for more details click the highlighted heading)
Frame of reference : Reference based on which the position of the body is described.
Force : Rate of change in momentum
Free fall : Body moving freely under the influence of the gravitational field , An observer in a freely falling body is in a state of weightlessness,It can be either Orbital or Sub orbital flight
Geo-Synchronous Orbit : Orbit having an angular velocity equal to the angular velocity of the planet around which orbit takes place.(for more details click the highlighted heading)
Geo-Stationary Orbit (Clarke orbit) : An orbit in the equatorial plane of the reference planet or celestial body such that the orbiting body appears to be fixed point for any observer on the reference planet or celestial body. (for more details click the highlighted heading)
Gravitational constant G : The constant in the universal law of gravitational force giving the attractive force between two masses separated by a given distance.when the mass is expressed in 'kg' and the distance in 'm' , the gravitational constant is 6.670 x 10^-11 Nm2/Kg2
Gravitational field : Force of attraction on a mass 'm' kg in a gravitational field 'g' is m x g N , Unit of gravitational field is m/s2
Impulse : change of Momentum.
Inclination : Angle between orbital plane and equatorial plane of the planet.
Inertial frame of Reference : A frame of reference that is absolutely stationary or moves at constant velocity
Kepler's Laws : laws describing the motion of planets in the solar system.
1.Law of Ellipses
2.Law of equal areas
3.Law of harmonies
(for more details click the highlighted heading)
Molniya Orbit : Highly Elliptic orbit about the earth with large eccentricity and an apogee of about 400,000 km in the northern hemisphere.
Momentum : Product of mass of a body and its velocity
Orbit : Trajectory or path of motion in space ; path in which a planet ,satellite or spaceship moves
Orbital velocity : Velocity along the path of the orbit
Polar orbit : Orbit having an inclination of 90 degrees
Pseudo-force : Fictitious force in a non-inertial frame of reference of correctly describe the motion of the body in the non-inertial frame of reference .In a rotational frame of reference ,the pseudo force is a centrifugal force
Sun Synchronous orbit : A polar orbit in which angle between the line joining sun with Earth and the orbital plane remains constant
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