The collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.

A model of the solar system in which Earth and the other planets revolve around the sun.

A model of the universe in which Earth is at the center of the revolving planets and stars.

The apparent change in position of an object when seen from different places.

The force that pulls objects toward each other.

The path of an object as it revolves around another object in space.

The point in the orbit of a planet, asteroid, or comet where it is furthest from the sun.

A force that causes an object to move in a circle.

A large cloud of gas and dust such as the one that formed our solar system

One of the small asteroid-like bodies that formed the building blocks of the planets.

The process by which hydrogen atoms join together in the sun's core to form helium.

A dark area of gas on the sun's surface that is cooler than surrounding gases.

An eruption of gas from the sun's surface that occurs when the loops in sunspot regions suddenly connect.

A huge, reddish loop of gas that protrudes from the sun's surface, linking parts of sunspot regions.

The name often given to the four inner planets: Mercury, Venus, Earth, and Mars.

A unit of length equal to the average distance between Earth and the Sun, which is about 150 million kilometers

A large body in outer space that orbits the sun or another star. The outer planets Jupiter, Saturn, Uranus, and Neptune are examples.

A great ring of debris, like the ones surrounding stars.

: A body in space that resembles a small planet but has not cleared debris from its orbital neighbourhood

A cold and dark area, specifically a donut-shaped ring of icy objects, beyond the orbit of Neptune.

ny of the millions of rocky and icy objects found in the Kuiper belt, such as Pluto.

Objects made of frozen gases, rock, and dust that orbit the Sun.

A spherical shell of billions of icy planetesimals surrounding the Sun.

Relatively small, rocky objects that orbit the Sun, mostly found in the asteroid belt.

A small chunk of rock in space smaller than a pickup truck.

The streak of light created when a meteoroid enters a planet's atmosphere and burns from friction.

Meteorite: A piece of rock or metal from a meteoroid that survives its passage through the atmosphere and lands on Earth's surface

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SCIENCE SPACEEEE

Question	Answer
Solar System	The collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.
Heliocentric	A model of the solar system in which Earth and the other planets revolve around the sun.
Geocentric	A model of the universe in which Earth is at the center of the revolving planets and stars.
Parallax	The apparent change in position of an object when seen from different places.
Gravity	The force that pulls objects toward each other.
Orbit	The path of an object as it revolves around another object in space.
Aphelion	The point in the orbit of a planet, asteroid, or comet where it is furthest from the sun.
centripetal force	A force that causes an object to move in a circle.
solar nebula	A large cloud of gas and dust such as the one that formed our solar system
planetesimal	One of the small asteroid-like bodies that formed the building blocks of the planets.
nuclear fusion	The process by which hydrogen atoms join together in the sun's core to form helium.
sunspot	A dark area of gas on the sun's surface that is cooler than surrounding gases.
solar flare	An eruption of gas from the sun's surface that occurs when the loops in sunspot regions suddenly connect.
prominence	A huge, reddish loop of gas that protrudes from the sun's surface, linking parts of sunspot regions.
terrestrial planet	The name often given to the four inner planets: Mercury, Venus, Earth, and Mars.
astronomical unit	A unit of length equal to the average distance between Earth and the Sun, which is about 150 million kilometers
gas giant	A large body in outer space that orbits the sun or another star. The outer planets Jupiter, Saturn, Uranus, and Neptune are examples.
planetary ring	A great ring of debris, like the ones surrounding stars.
dwarf planet	: A body in space that resembles a small planet but has not cleared debris from its orbital neighbourhood
kuiper belt	A cold and dark area, specifically a donut-shaped ring of icy objects, beyond the orbit of Neptune.
kuiper belt object	ny of the millions of rocky and icy objects found in the Kuiper belt, such as Pluto.
comet	Objects made of frozen gases, rock, and dust that orbit the Sun.
oort cloud	A spherical shell of billions of icy planetesimals surrounding the Sun.
asteroid	Relatively small, rocky objects that orbit the Sun, mostly found in the asteroid belt.
meteoroid	A small chunk of rock in space smaller than a pickup truck.
meteor	The streak of light created when a meteoroid enters a planet's atmosphere and burns from friction.
meteorite	Meteorite: A piece of rock or metal from a meteoroid that survives its passage through the atmosphere and lands on Earth's surface

Created by: Javier velez

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