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Flashcards - Overview of Earth & Space

Flashcards - Overview of Earth & Space
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Ptolemy
Claudius Ptolemy was a Greco-Egyptian writer, known as a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology
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lunar phases
The lunar phase or phase of the moon is the shape of the illuminated portion of the Moon as seen by an observer on Earth
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ozone layer
The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation
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ozone layer
The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation
lunar phases
The lunar phase or phase of the moon is the shape of the illuminated portion of the Moon as seen by an observer on Earth
Ptolemy
Claudius Ptolemy was a Greco-Egyptian writer, known as a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology
chromatic aberration
In optics, chromatic aberration is an effect resulting from dispersion in which there is a failure of a lens to focus all colors to the same convergence point
Refracting telescopes
A refracting telescope is a type of optical telescope that uses a lens as its objective to form an image
telescope
A telescope is an optical instrument that aids in the observation of remote objects by collecting electromagnetic radiation

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