Space Science Day 7 Vocabulary

_______ all the mass and energy in existence, made up of galaxies and the space in between them

• Electromagnetic

  spectrum

• galaxy

• universe

• star

_______ the distance light will travel in 1 year

• electrogmagnetic spectrum

• telescope

• light year

• miles

_______ a system of bodies (planets, asteroids, comets, etc) that revolve around a star

• galaxy

• universe

• star

• solar system

_______ the star at the center of our solar system

• sun

• galaxy

• universe

• nebulae

_______ a huge grouping of billions of stars that often revolve around a center

• universe

• galaxy

• star

• nebulae

_______ an instrument used to collect and magnify electromagnetic waves from desired points in the universe

• light year

• telescope

• electromagnetic spectrum

• astronomical unit

_______ a massive collection of gases that releases tremendous amounts of electromagnetic energy due to nuclear reactions occurring within it

• nebulae

• galaxy

• solar system

• star

_______ an interstellar cloud of dust and gas that provides the birthplace for many stars

• galaxy

• star

• nebulae

• universe

_______ energy waves sorted by different wavelengths into categories such as visible light, x-rays, gamma rays, infrared radiation, and radio waves

• electromagnetic spectrum

• light year

• telescope

• universe