1.1--Exploring the Infinite REVIEW

Front

Extremely large or related to astronomy. Often used to describe something vast or related to space science.

Back

astronomical

Front

Related to the sky or outer space. Includes stars, planets, and other heavenly bodies.

Back

celestial

Front

The study of the interaction between matter and electromagnetic radiation. Analyzes light spectrum. Identifies elements in stars.

Back

spectroscopy

Front

The change in light waves to longer wavelengths as objects in space move away from the observer. Evidence for expanding universe. Related to Doppler effect.

Back

redshift

Front

A point in space where density and gravity become infinite, such as the center of a black hole.

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singularity

Front

A model of the universe where the sun is at the center.

Back

heliocentric

Front

A model of the universe where Earth is at the center.

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geocentric

Front

The path one object takes as it revolves around another object in space. Circular or elliptical path, involves gravitational forces.

Back

orbit

Front

The study of the origin, evolution, and eventual fate of the universe. Includes Big Bang theory. Examines universe's structure.

Back

cosmology

Front

What is the name of this model?

Back

heliocentric