Science

• A hot glowing ball of hydrogen and helium, a 4.5-billion-year-old yellow star providing energy that sustains life on Earth

  Sun
• Stream of high-energy particles sent into space; causes the ligh displays aurora borealis (Northern Hemisphere) and aurora australis (Southern Hemisphere)

  Solar wind
• Storms that look like huge arches; may last several days

  Prominences
• Aurora australis is located in the ______.

  Southern Hemisphere
• Aurora Borealis is located in the ______.

  Northern Hemisphere
• More intense than prominences and only last about 15 minutes

  Solar flares
• Smallest and closest planet to the sun and has no atmosphere

  Mercury
• Has the core of a molten iron, hottest planet in the solar system

  Venus
• Venus has the core of a ______.

  Molten iron
• Of all the planets, which planet rotates the slowest?

  Venus
• The only planet in the universe to harbor life

  Earth
• These planets have no moons

  Venus and Mercury
• The Red Planet covered with iron-rich dust

  Mars
• The biggest planet


  Jupiter
• How many moons does Jupiter have?

  79
• Planet with rings


  Saturn
• Ice giant and the planet that orbits on its side unlike other planets

  Neptune
• The windiest planet


  Uranus
• How many moons does Saturn have?

  146
• The galaxy that includes our Solar System

  Milky Way
• Also known as "dirty snowballs"; with tails of dust and gases, forced from the head by solar radiation and tail always points away from the sun
• Astronomy is the scientific study of celestial bodies such as stars, galaxies, planets, asteroids, comets, nebulae, and meteorites.
• Astronomers who use telescopes to observe celestial objects are called astronomers.
• A meteoroid is found outside of space, meanwhile a meteor is a meteoroid burns up in within the Earth's atmosphere
• Meteors are also known as shooting stars or falling stars
• An aurora borealis occurs when charged particles collide with atoms high above the earth’s surface
• An aurora borealis occurs when charged particles collide with atoms high above the earth’s surface, causing them to glow