final Flashcards
The totality of known objects and phenomena throughout space ,the cosmos ,macrocosm
universe
al large system of stars held together
galaxies
A cloud of gas and dust in outerspace
nebula
A fixed luminous point in the sky that is a large remote incandescent body
star
A natural satellite that orbits a star
planet
gravitational pathway around an object
orbit
chunk of frozen gas that orbits the sun
comet
chunk of rock located in space
asteroid
The gaseous envelope surrounding planets
atmosphere
planets outside of our solar system
exoplanets
The most outer rocky layer of earth
crust
The layer beneath the crust that contains plastic malleable magma
mantle
The center of earths interior which has solid iron and has very high temperatures
inner core
The layer above the inner core that has liquid iron
outer core
invisible field surrounding earth that’s created by the flow of liquid iron inside the outer court protects earth from solar winds
magnetic field
transfer of heat by the mass movement of heated particles into an area of cooler fluid
convection currents
unit of measurementequal to the distance of earth to the sun (1AV=150,000,000) km
astronomical unit
The distance light travels in one year
light year
entire range of wavelengths or frequencies of EM radiation
electromagnetic spectrum