Universe Notes part 2

Universe Notes part 2

Open Ended

What are the three characteristics we use to classify stars?

Multiple Choice

Which color stars are the hottest?

• Blue

• Green

• Yellow

• Red

Multiple Choice

Which color star is the coldest?

• orange

• yellow

• blue

• red

Multiple Choice

What does magnitude measure?

• Time

• Color

• Brightness

• Distance

Dropdown

Nebulas are giant clouds of​

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and ​

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occupying the space between stars and acting as a nursery for stars.

• Orbits the sun (star)

• Eight total

• Means "to wander"

Planet

• Eight planets and their moons in orbit around the sun, with asteroids, meteoroids, and comets.

• Formed 4.6 billion years ago.

Solar System

Solar System & Planets

• Meteoroid – solid debris from space (asteroids) that are moving towards Earth. (Orbits the sun)

• Meteor -brief streak of light produced by a small particle entering Earth’s atmosphere at high speed

  • often referred to as “shooting stars” or “falling stars”

  • travel at speeds between 11-72 kilometers per second (6.8 – 44.7 miles per second)

Meteorite – a small object from outer space that passes through Earth’s atmosphere and reaches the surface. (Vary in size)

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Options (7)

Small rocky or metallic bodies in outer space.

Bright streaks of light in the sky.

Formed when meteoroids enter the Earth's atmosphere.

Often referred to as shooting stars.

Can vary in size from tiny particles to large masses.

Orbits the sun.

Reaches the Earth's surface.

Identify the differences between meteoroids, meteors and meteorites.

Meteoroids

Meteors

Meteorites

Multiple Choice

Who is the Hubble Telescope named after?

• Isaac Newton
• Galileo Galilei
• Albert Einstein
• Edwin Hubble

• Observed displacement due to a change in the observer's point of view.

• Method astronomers use to measure distance.

Parallax

• Unit of distance in astronomy.

• = 3.26 light years
  

Parsec

Parsec and Parallax