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Vocabulary Kate Hill
| Question | Answer |
|---|---|
| Astronomy | the study of objects and matter outside the earth's atmosphere and of their physical and chemical propertie |
| Axis | An imaginary line that divides something into equal or roughly equal halves, esp. in the direction of its greatest length |
| Rotation | he action or process of rotating on or as if on an axis or center (2) : the act or an instance of rotating something |
| Revolution | Rotating while moving around another object |
| Orbit | The curved path of a celestial object or spacecraft around a star, planet, or moon, esp. a periodic elliptical revolution |
| Solstice | : either of the two points on the ecliptic at which its distance from the celestial equator is greatest and which is reached by the sun each year about June 22 and December 22 |
| Equinox | either of the two points on the celestial sphere where the celestial equator intersects the ecliptic |
| Force | strength or energy exerted or brought to bear : cause of motion or change |
| Gravity | the gravitational attraction of the mass of the earth, the moon, or a planet for bodies at or near its surface |
| Law of Universal Gravitation | states that every particle of matter in the universe attracts every other particle with a force directly proportional to the products of their masses and inversely proportional to the square of the distance between them |
| Mass | A coherent, typically large body of matter with no definite shape. |
| Weight | A body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing. |
| Inertia | a property of matter by which it remains at rest or in uniform motion in the same straight line unless acted upon by some external force |
| Newton's 1st law of motion | a body remains at rest or in motion with a constant velocity unless acted upon by an external force |
| Phrase | particular appearance or state in a regularly recurring cycle of changes |
| Eclipse | the total or partial obscuring of one celestial body by another |
| Solar Eclipse | n eclipse of the sun by the moon |
| Lunar Eclipse | an eclipse in which the full moon passes partially or wholly through the umbra of the earth's shadow |
| umbra | a conical shadow excluding all light from a given source; specifically : the conical part of the shadow of a celestial body excluding all light from the primary source |
| Penumbra | a space of partial illumination (as in an eclipse) between the perfect shadow on all sides and the full light |
| Telescope | a usually tubular optical instrument for viewing distant objects by means of the refraction of light rays through a lens or the reflection of light rays by a concave mirror |
| Maria | Galileo called the moon's dark spots "maria" because it means sea in Latin. |
| Crater | a depression formed by an impact (as of a meteorite) |
| Meteoroid | a meteor particle itself without relation to the phenomena it produces when entering the earth's atmosphere |
Created by:
we5hills
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