Definitions

1. No celestial body is owned by NASA and they have never claimed them. (Web site)
2. The celestial body was known to the Latin's as "Lucifer". (Web site)

Published

1. In 1609 he published his finding that the orbit of Mars was an ellipse and not the perfect circle hitherto presumed to be the orbit of every celestial body. (Web site)

Fixed

1. If this blue solenoid (rotational axis) is tilted while orbital plane remains fixed, then it is called axial tilt of planet or any celestial body.

Impact

1. Washington, May 20: Scientists have published the first results dealing with the impact of a celestial body on the planet Jupiter last July.

Natural

1. For example, the method is as applicable to natural or artificial satellites of any celestial body as to GPS satellites of the earth. (Web site)

Elements

1. Seven quantities needed to establish the orbit of a celestial body (see elements of an orbit). (Web site)

Sense

1. The Moon is partially overlaid by the eagle's wing suggesting that this is a celestial body that man has visited and in that sense conquered.

Mercury

1. This artist's concept shows a celestial body about the size of our moon slamming at great speed into a body the size of Mercury. (Web site)

Orbit Earth

1. Aerospace. An object launched to orbit Earth or another celestial body. (Web site)

Partial Blocking

1. The total or partial blocking of one celestial body by another. (Web site)

Nearest Celestial Body

1. Between 1967 and 1972, 29 astronauts left Earth to explore the nearest celestial body, our moon.

Closest Celestial Body

1. He put the earth in the center of the universe and contended that these elements were below the moon, which was the closest celestial body. (Web site)

Times Humans

1. These six Apollo spaceflights are the only times humans have landed on another celestial body. (Web site)

First Celestial Body

1. Description will be given below on the premise that the first celestial body is represented by the Sun and the second celestial body by the Earth. (Web site)
2. The method can be used in a situation where a first celestial body is being orbited by a second celestial body.
3. The moon is usually the first celestial body that captures a stargazer's attention and imagination.

Star

1. A planet is a large celestial body that orbits a star and does not shine on its own. (Web site)

Moment

1. At any moment some celestial body is at the zenith of any particular location on the Earth's surface. (Web site)

Apollo

1. Apollo 8 was the first manned spacecraft to orbit another celestial body. (Web site)
2. Apollo 8 was the first manned voyage to a celestial body. (Web site)

Surface

1. There are doubts as to whether the celestial body that crashed onto the surface of Jupiter was a comet or an asteroid. (Web site)

Light

1. The event in which one celestial body passes in front of another, blocking the light from the more distant object. (Web site)
2. The light of a celestial body is like a permanent beam of lightning fire that originates from the opaque cloudy substance of the celestial wheel. (Web site)

Light Years

1. Initially all went well, until the day he read the following sentence: 'We come from a celestial body named Ummo which is 14.6 light years from the Earth. (Web site)

Solar System

1. A celestial body entered our solar system and came very close to Earth, causing the eventual disappearance of the glacier layer.

Astronomers

1. How astronomers decide whether a celestial body measures up. (Web site)

Astronomy

1. In astronomy, anomalistic means that it has something to do with the apsides of the orbit of a celestial body. (Web site)

Transit

1. A transit occurs when a celestial body passes in front of its host star and blocks some of the star's light. (Web site)

Passage

1. Transit The passage of a celestial body across an observer's meridian; also the passage of a celestial body across the disk of a larger one. (Web site)
2. The passage of one celestial body in front of another, cutting off the light from the second body (e.g. (Web site)

Meridian

1. SOUTHING: The moment when a celestial body crosses the upper meridian of the observer is "Southing" that Meridian.
2. A transit occurs when a celestial body crosses the meridian due to the Earth's rotation, about halfway between rising and setting. (Web site)

Human Beings

1. The Moon is the only celestial body on which human beings have made a manned landing. (Web site)

Humans

1. The Moon is the only celestial body on which humans have made a manned landing.
2. On July 20, 1969, humans from Earth first set foot on another celestial body. (Web site)

Magnetic Field

1. The Dynamo theory proposes a mechanism by which a celestial body such as the Earth generates a magnetic field. (Web site)

Opposite Direction

1. The phenomenon where a celestial body appears to slow down, stop, them move in the opposite direction. (Web site)

Sky

1. The Moon is the brightest and most recognizable object in the sky at night, and is the closest celestial body to the Earth. (Web site)
2. Disk The surface of the Sun or other celestial body projected against the sky. (Web site)

Path

1. The path of a celestial body during its daily apparent revolution around the Earth is called its diurnal circle. (Web site)

Eclipse

1. Eclipse The total or partial blocking of one celestial body by another. (Web site)

Movement

1. The movement of a celestial body toward or away from an observer. (Web site)

Broadcast Live

1. The preset missions are broadcast live, with only brief intermissions as the telescopes and CCD cameras are slewed from one celestial body to another. (Web site)

Buzz Aldrin

1. Only July 20, first Neil Armstrong and then Buzz Aldrin became the first humans to step on another celestial body. (Web site)

Angle

1. In celestial navigation, lunar distance is the angle between the Moon and another celestial body.
2. Artificial Horizons Navigators at sea could determine the altitude of a celestial body by measuring the angle between it and the true horizon. (Web site)

Measure

1. The Octant was an instrument used to measure the altitude of a celestial body, an essential tool for navigators and astronomers. (Web site)
2. You measure the altitude of a celestial body (Ho), noting the exact time. (Web site)

Position

1. A cord attached from the centre of the quadrant with a bead at the other end was moved to represent the position of a celestial body (sun or a star). (Web site)
2. Nautical Almanac used to determine the position in the sky of a celestial body after a sight has been taken.

Orbital Elements

1. In astronomy, an epoch is a moment in time for which something is specified that can vary, such as the position or the orbital elements of a celestial body.

Ecliptic

1. The sidereal ecliptic longitude of a celestial body is its longitude on the ecliptic defined with respect to the "fixed" stars. (Web site)

Celestial Equator

1. Declination - The angular distance of a celestial body north or south of the celestial equator. (Web site)

Spacecraft

1. Its reference points are the center of the Earth and the immediate position of a spacecraft or the center of a celestial body. (Web site)

Rotation

1. In celestial mechanics, perihelion precession, apsidal precession or orbital precession is the precession (rotation) of the orbit of a celestial body. (Web site)
2. A similar great circle drawn on the surface of a celestial body at right angles to the axis of rotation. (Web site)

Parent Body

1. Orbit. The path of a celestial body around its parent body. (Web site)

Flattening

1. A measure of flattening at the poles of a planet or other celestial body. (Web site)

Space

1. Outer space (often simply called space) is the void that exists beyond any celestial body including the Earth.[ 1] It is not completely empty (i.e.
2. Atmospheric entry is the transition from the vacuum of space to the atmosphere of any planet or other celestial body.
3. More generally, a meteorite on the surface of any celestial body is a natural object that has come from elsewhere in space. (Web site)

Categories

1. Orbit
2. Information > Science > Astronomy > Zenith
3. Observer
4. Information > Science > Astronomy > Celestial Equator
5. Celestial Sphere

Related Keywords

* Altitude * Apoapsis * Apollo 11 * Astrophysics * Azimuth * Body * Celestial * Celestial Bodies * Earth * Escape Velocity * First Manned Landing * Gravitational Influence * Gravity * Great Circle * Hour Circle * Latitude * Moon * Obscuring * Observer * Occultation * Orbit * Orbiting * Orbits * Outer Edge * Planet * Point * Satellite * Set Foot * Sextant * Space Elevator * Sun * Time Required * Zenith

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