'Brightest stars' diaporamas de présentation

Note that the following lectures include animations and PowerPoint effects such as fly ins and transitions that require you to be in PowerPoint's Slide Show mode (presentation mode). The Sky. Chapter 2. Guidepost.

Chapter 11: Characterizing Stars. WHAT DO YOU THINK?. How near is the closest star other than the Sun? Is the Sun brighter than other stars, or just closer? What colors are stars? Are brighter stars hotter? What sizes are stars? Are most stars isolated from other stars, as the Sun is?.

Finding your way without a compass. Finding your way without a compass. Normally a well prepared Scout will have a compass and a good map. However in the event of needing to determine direction without a compass, or in an emergency situation a number of techniques can be used….

THE SKY. CHAPTER 2 (Part 1). Objectives. To be able to interpret and apply the term “brightness” to stars. To be able to describe how the sky moves with reference to the Earth’s rotation. To be able to predict the seasons and describe what causes them.

CELESTIAL BODIES. The term Celestial Body is as expansive as the entire Universe, both known and unknown. TOPICS. Stars Planets Galaxies Asteroids. Comets Satellites Constellations Interesting Facts. STARS. SUN. It is a huge ball of gases, mainly Hydrogen.

The Winter Circle. Would you please answer on your Do Now sheet…. In what direction do you look to see Orion tonight at 9 pm? What asterism helps you find it?. The winter circle. The Winter Circle. Orion. http://www.zazzle.com/vintage_orion_constellation_poster-228023600320509351.

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Noah Anferney Ashley Hillary Omar Sadiq. 7. Logan, 8. Claire, 9. Dale. 10.Gina, 11. Mary, 12. Wyatt. 13. Kiera , 14. Sandra, 15. Kathryn. 19. Courtney 20. Steven 21. Dylan. 16. Emmie 17. Michael 18. Morgan. 22. Emily 23. Jacqueline 24. Christian. 25. Mykianna

ASTRONOMY. Chapter 25 Stellar Distances and Motions. Apparent Brightness. In the night sky, some stars are brighter than others. What can cause this? One star can shine brighter (put out more energy) than another One star can be closer to us than the other. Apparent Magnitude Scale.

THE SKY. CHAPTER 2 (Part 1). Objectives. To be able to interpret and apply the term “brightness” to stars. To be able to describe how the sky moves with reference to the Earth’s rotation. To be able to predict the seasons and describe what causes them.

Unit 6 --- Sixth Grade http://www.youtube.com/watch?v=QZDk1cbKp7s&feature=related&safety_mode=true&persist_safety_mode=1. Stars. Most stars look like faint dots of light in the night sky…. But they are actually huge, hot bright balls of gas that are trillions of kilometers away from Earth

How far away are the stars?. Parallax. Measuring the Distance to the Stars with Parallax. Remember that 1 parsec = 3.26 light years. Visual magnitude scale. Originally, the brightest stars in the sky were considered first magnitude, the next brightest group second magnitude, and so on

Proxima. By: Cassidy Osborne. What does Proxima mean?. Proxima means closest because it is the star closest to the sun. Proxima is about 23 trillion miles away from Earth. http://www.windows2universe.org/the_universe/Proxima.html. What type of star is Proxima ?.

Astronomy :. Stars . What’s a Star ?? . Man has always lifted his head towards the black sky to observe it it was always fascinated by the stars that shine above him

Acrux. By: Lexi Toombs. Interesting Facts. The star Acrux is part of the constellation crux, also called the southern cross. It is one of the 20 brightest stars in the sky. It is located about 370 light-years away. Acrux’s apparent magnitude is measured at 0.86.

Characteristics of stars. How are stars classified? What is an H-R diagram and how do astronomers use it?. What does a star’s color indicate? Surface temperature. What are some colors of stars? Yellow, blue - white or reddish

Life Cycle of a star. HR Diagram Review. The HR (Hertzsprung-Russel) Diagram. What patterns can be seen?. N. Main Sequence: Most stars fall in this diagonal area Giants: Have bright stars at the right Supergiants: Have the brightest stars in the top center White Dwarfs:

Cosmology & the Big Bang. AY16 Lecture 20, April 15, 2008 Mathematical Cosmology, con’t Determination of Cosmological Parameters Inflation & the Big Bang. Einstein’s Equations: (dR/dt) 2 /R 2 + kc 2 /R 2 = 8 p G e/3 c 2 + L c 2 /3

Announcements: Exam #3: May 3 (Chp 12, 13). HR Diagram of the Brightest Stars. HR Diagram of the Closest Stars. Conclusions: Low mass stars are more common in our galaxy (not a lot of O and B-type Main Sequence Stars in the HR Diagram of the closest stars).

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