Q 2 Draw a circle concept map and

Q 2: Draw a circle concept map and put the word “astronomy” in the center. Complete the map by adding as many concepts that you can think of that deal with the word astronomy. Astronomy

Today’s Objective: I understand the components of the Big Bang Theory.

What Is Astronomy? The study of the universe, the stars, planets, & everything in it.

Great…. But what is the universe?

The universe is: all matter and energy in space

How can they see all that?

* * Light Year: Unit of distance (not time) Distance light travels in 1 year * 299, 792, 458 m / s 186, 000 mi/s or 6. 71 x 108 m/hr

Galaxy Groups of stars, dust and gases held together by gravity

We live in the Milky Way Galaxy

Elliptical Galaxy

Irregular Galaxy

Galaxy Cluster

Hubble’s Law The Universe is constantly expanding.

Raisin Bread Dough Analogy Hubble’s Law: Universe is constantly expanding.

Doppler Shift: Change in color showing how the universe is moving

Amazing!

The Big Bang v 13. 7 billion years ago v. Explosion v. Expanding universe

Solar System A group of planets, comets, and other bodies orbiting a star

Our solar system: 8 planets, asteroids, moons, comets, & dust

Satellite body that revolves around a planet

Axis: Imaginary line through the center of Earth 23. 5 degrees

Rotation: turning of earth counter-clockwise on its axis

Revolution: Traveling around a center point Earth revolves around the sun Moon revolves around the earth

• 1600 kilometers per hour • Creates time zones • A day is the length of time it takes for 1 rotation 23 hours, 56 minutes and 4 seconds

Orbit: The path an object takes around another one Elliptical = oval

How long is a year? 365 Days 6 hours 9 minutes 365. 26 days

n a s d d A : r a e Y p a 4 e L y r e v e y a d r a o r f p ext u e k a m o t s r yea. e m i t a r t x e the

PROBLEM OF THE WEEK

Kahoot. it

Meral made a big discovery about the distance that the star Reese was from the planet earth. What field of science does she study? Astronomy

Doppler Shift Shony analyzed the electromagnetic spectrum and noticed changes in the color of the spectrum. This change is called the _____.

Big Bang Theory Rebecca wondered where the first atom came from. She is not alone with this question. Scientists have tried to explain it using this theory.

Galaxies Cristian discovered these come in many different shapes like spiral, elliptical, and irregular.

Always Expanding Because of the shift in visible light from blue to red, Drake concluded that the universe is always doing this.

Solar system A star named Logan has 6 planets orbiting about her. This is an example of a ___.

Exit ticket Describe how scientists discover information about the universe and its history.