The branch of science that deals with the study of the universe

Occurs when the Moon passes directly between the Sun and Earth and casts a shadow over part of Earth

Planets called earths twin

rocky metallic objects that orbit the sun but are too small to be considered planets

a region of the solar system that starts just beyond the orbit of Neptune and that contains dwarf planets and other small bodies made mostly of ice

chracteristics: 1 Round 2 Orbits the Sun 3 cleared most of its orbit of derbis.

An eclipse where the Earth comes between the Sun and the Moon and it is a full Moon (the moon is covered, has a shadow of dark red cast on it, or slightly dimmed)

Largest planet in our solar system and has a giant red spot caused by low pressure storms.

balls of ice, rock, and dust in space with a tail

Jupiter, Saturn, Uranus, and Neptune . These planets have relatively low densities and are huge gas giants

Distance light travels in one year.

the regular rise and fall of the ocean's surface influenced by the moon's gravity pulling on earth

Outer planet which is bluish green in color. made of gases such as helium and hydrogen

A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere from friction due to air resistance; also called shooting stars

first four planets closest to the sun - inside the asteroid belt - Mercury, Venus, Earth, Mars.

Earth spinning on it's axis

A force of attraction between objects that is due to their masses

seventh planet from the Sun and it tilted horizontally. Also a gaseous planet with a bluish green color.

Also called the red planet and is composed of a lot of iron oxide

Occurs in the core of the sun when hydrogen atoms fuse to make helium and enormous amount of energy is released.

Earth's yearly orbit around the Sun

A natural satellite of a planet. inner planets have few moons and outer planets have many moons.

A loose grouping of asteroids and meteors between the orbits of Mars and Jupiter

Planet closest to the Sun and has the shortest revolution period

(astronomy) a celestial body of hot gases that radiates energy derived from solar fusion reactions in the interio