the innermost and darkest part of a shadow, where the light source is completely blocked.

A star that has produced more energy than gravity can hold together and explodes.

A tool used to locate constellations throughout the year.

huge balls of hot, glowing gases that produce their own heat and light

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

an object that orbits another object in space

This causes the Earth and other planets to turn and create day and night.

The length of time that it takes for a planet to go completely around the sun (one year.)

An event during a new moon where the shadow of the

moon falls on Earth

A huge cloud of gas and dust in space that is the first stage of a star forming.

a fragment of rock or iron from outer space that has come to Earth

the blocking of sunlight to the moon that occurs when Earth is directly between the sun and the moon

group of stars that seems to form a picture or design in the sky

A combination of gases, ice, and dust.

Rocky objects between Mars and Jupiter that divide the inner/outer planets.