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Science Vocabulary

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Across
the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution:
The star which earth orbits and is the only star in our solar system
An attempt to find out about something
the relative size or extent of something
a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses
Representation of the real world objects
A scientist who studies planets, stars, and other natural objects
A conclusion reached based on evidence or reasoning
To revolve or rotate rapidly
Down
A scientist who studies prehistoric peoples and their cultures
A large ball of burning gas that gives off heat and light
Full of or shedding light; bright or shining, especially in the dark:
a group of stars forming a recognizable pattern that is traditionally named after its apparent form or identified with a mythological figure.
Observations or measurements recorded in an investigation
The action or process of carefully watching someone or something
The relative size or extent of something
he light-year is a unit of length used to express astronomical distances and measures about 9.46 trillion kilometers or 5.88 trillion miles
form a mental image of; imagine
the available body of facts or information indicating whether a belief or proposition is true or valid
the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution: