1. rvtGiay 2. ContentsIntroductionUniversal laws of gravityEarth’s GravityApplications of gravityReference 3. Introduction 4. IntroductionGravity, is one of the four fundamental…

1. 2.2 ORBITAL MOTION AND TIDES 2. In order to stay on a closed orbit, an object has to be within a certain range of velocities: Too slowObject falls back down to Earth…

Slide 1Everything you always wanted to know about stars… Material from Chapters 8 and 9 in Horizons by Seeds 0 Slide 2 The Spectra of Stars Inner, dense layers of a star…

Slide 1Mathematical Universe Cambridge 2013 Slide 2 One may say the eternal mystery of the world is its COMPREHENSIBILIY Slide 3 On 25th of November 1915, after a period…

Slide 1Visual Observing of Epsilon Aurigae: The Art of Variable Star Observing By Chris Stephan Science teacher in Highlands County, Florida Slide 2 Variable star observing…

Slide 1Copy and Answer in NB 1.What are the three layers of the suns atmosphere? 2.What produces auroras? 3.What are sunspots and why are they dark? 4.Describe solar flares…

Slide 1Exoplanets for Amateur Astronomers What is an Exoplanet? How are they being found? What is the role of Amateur Astronomy in Exoplanet research? Taken with Subaru telescope…

Slide 1Tides Slide 2 TIDES What are tides? –The periodic rise and fall of the sea level under the gravitational pull of the moon Tides are one of the most reliable phenomena…

1.Prentice Hall EARTH SCIENCE Tarbuck Lutgens2. Chapter 25 Beyond OurSolar System 3. 25.1 Properties of Stars Star Color and Temperature •Color is a clue to a star’s…

1.Stars2. The Solar Neighborhood Neareststar to the Sun: Proxima Centauri which is a member of a 3-star system:Alpha Centauricomplex Model ofdistances :Sunis a marble,Earthis…