Space Vocab

US astronomer found speed with which nebulae recede increases with their distance from observer

a natural object visible in the sky

a chain of connected objects, passages, or ideas

a substance that cannot be separated into simpler substances

the center around which something rotates

hypothetical form of matter that is believed to make up 90 percent of the universe;

the remains of something that has been destroyed

recurring in a repeated sequence of events

magnitude that a star would have if it were viewed from a distance of 10 parsecs from the earth

the envelope of gases surrounding any celestial body

an elementary particle with negative charge

a group of seven bright stars in the constellation Ursa Major

the central part of the Earth

the phenomenon when one celestial body obscures another

a region of space resulting from the collapse of a star

a W-shaped constellation in the northern hemisphere near Polaris

the smallest component of an element

the entire frequency range of electromagnetic waves

the third planet from the sun

theory-universe was 10/20 billion yrs ago cataclysmic explosion extremely high density temp

a gaseous layer of the sun's atmosphere that is visible during a total eclipse of the sun

temperature scale states freezing point of water as 0 degrees-boiling point of water 100 degree

a small frozen mass that travels around the sun

the size of the gap between two places

relation between something and the course on which it moves

everything that exists anywhere

physicist from Germany formulated the theory of relativity and the general theory of relativity

a configuration of stars as seen from the earth

the branch of physics that studies celestial bodies

Austrian physicist famous for his discovery of the Doppler effect (1803-1853)

the outermost region of the sun's atmosphere

the property possessed by the curving of a line or surface

the amount per unit size

the region of interplanetary space between Mars and Jupiter where most asteroids are found

a physicist who studies celestial bodies and the universe

process by which light changes passing through a narrow slit

magnetism produced by an electric current

cooled remnant of the hot big bang that fills entire universe - 2.725 kelvin

a depression formed by the impact of a meteorite or bomb

suck or take up or in

the farthest point in an orbit around the Earth

a periodically repeated sequence of events

a small celestial body composed of rock and metal

heavy odorless colorless gas formed during respiration/decomposition of organic substances

universe spatially closed- is sufficient matter to halt expansion that began with the big bang

the study of the evolution and structure of the universe