5/28 & 5/29 - 8th Grade Agenda Learning Objective: Learn about Stars Video: Nova Multiverse Textbook Reading: p.601 - 613 Classwork: Reading & Notetaking p.267– 271 Reminder: Last day to turn in late work in 5/29

Daily Reflection Prompt: Write 3 facts about Stars.

Parallax

How do Astronomers judge the distances to near by stars? By using Parallax Apparent Change in Position of an object when you look at it from different places

Hertzsprung-Russell diagram

How are stars born? All stars are born from Nebulas Nebulas are remnants of supernova explosions

How long can a star live? Small stars could live about 200 Billion years Medium stars (like our sun) live about 10 Billion years Large stars live for 10 Million years or less

Lives of Stars

Size of Rocky planets

Size of Gas Giants

Planets compared to the Sun

The Sun compared to the other giant stars

The Sun compared to the Super Giant Stars

How do small and medium stars die? Small and Medium stars (like our sun) turn into white dwarfs White Dwarfs are about the size of the Earth but has the mass of our sun. A spoonful of material from a white dwarf has as much mass as a large truck.

How do large stars die? Large stars explode in a supernova explosion The explosion leaves a Nebula At the center of a Nebula is a Neutron star