any natural satellite of a planet
spinning of Earth on its imaginary axis, which takes about 24 hours to complete and causes day and night to occur
groups of stars
everything that exists, including the sun, stars, all the planets, and outer space
any of the celestial bodies (other than comets or satellites) that revolve around the sun in the solar system
the force that pulls objects toward each other
sun, planets, and all the other objects that revolve around the sun
any celestial body visible (as a point of light) from the Earth at night
the envelope of gases surrounding any celestial body
a person trained for space flight
smaller chunks of small matter, that burn up in our atmosphere called shooting stars
A ball of frozen dust and rock that orbits the sun and has a tail that glows
a device built to observe distant objects by making them appear closer
When the Moon has only a small part that is lit, it is called this., the study of the moon, stars, and other objects in space
the center around which something rotates
a typical star that is the source of light and heat for the planets in the solar system
Axis of Rotation
The imaginary line about which a turning body such as the earth rotates
(astronomy) a collection of star systems
An event during which one object in space cases a shadow onto another
In an orbit, a position and time in which the sunlight shines equally on the northern and southern hemisphere
In an orbit, a position and time during which one hemisphere gets its maximum area of sunlight, while another hemisphere gets its minimum amount of sunlight
the smallest planet and the nearest to the sun
the second nearest planet to the sun
the 3rd planet from the sun
the 4th planet from the sun
the largest planet and the 5th from the sun
second-largest and sixth planet from the sun
seventh planet from the Sun
the eighth planet from the Sun
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