Wednesday September 27, 2017 (Discussion – Galactic Clusters; Video – HTUW Part 2; Continue Discovery Education Unit - Exploring Our Solar System, Concept – Characteristics of our Universe)

The Launch Pad What is this? Wednesday, 9/27/17 What is this? This is the Milky Way looking from our position toward the core of the galaxy.

What type of galaxy is the Milky Way? The Launch Pad Wednesday, 9/27/17 What type of galaxy is the Milky Way? Although always thought to be a spiral, recent discoveries have indicated that the Milky Way is possibly a barred-spiral galaxy.

Remediation for Quiz 3 runs through Friday at 5:00 PM! Announcements Remediation for Quiz 3 runs through Friday at 5:00 PM!

F9 S3 F1 QUIZ 3 TODAY Friday 9/19 9/22 5:00 PM 9/25 Last Day Accepted Assignment Currently Open Summative or Formative # Date Issued Gone Missing Day Last Day Accepted eResearch Paper – Star Stages F9 9/19 Yesterday TODAY QUIZ 3 S3 9/22 Friday 5:00 PM Science TechBook Unit – Exploring Our Solar System, Concept – Characteristics of Our Solar System F1 9/25 Concept Completion Date:

Galactic Clusters Galactic clusters are group of galaxies, some containing thousands of galaxies. We live in a galactic cluster called the Local Group, which contains at least 28 galaxies. Superclusters are huge swarms of galaxies, and these may be the largest entities in the Universe.

The Local Group of Galaxies

a galactic cluster

How the Universe Works: Part 2 – Studying the Progress of Galaxies Video How the Universe Works: Alien Galaxy Part 2 – Studying the Progress of Galaxies (4:38)

SLC Debrief (Notes should be taken during SLC Debriefs and kept in a section in your Science Binder) What is ACT? Where is it located? What is the altitude of the location of ACT? What does this telescope detect? How do galaxies take shape? What is the strongest source of gravity located in the center of most galaxies?

Continue Discovery Education Unit Unit: Exploring Our Solar System Concept: Characteristics of Our Solar System Go to www.discoveryeducation.com and login. Scroll down to the bottom of your homepage and click on the “Science Techbook” link. Find the Unit titled “Exploring Our Solar System” and click on it. You will be at the Concept titled “Characteristics of Our Solar System.” Click on View Concept. Begin reading, watching the videos, and doing the activities. When you reach the bottom of the page, click the NEXT button and proceed through the Concept.