1. Earth Movement 2. Axis of Earth • What is Axis? Earth's axis is the imaginary line which goes through the north and south poles and around which Earth spins. 3.…

1.Paths of planets, satellites and comets are beautiful curves called conic sections. They are obtained when a cone is intersected by a plane surface.And also they have many…

1. Stars and our galaxy 2. We can see sky from earth. In sanskrit sky is called ‘kha’. Whereas sun, planets, moon and stars are called celestial or heavenly bodies. 3.…

1. Name:_____________________________________________________________Period:____________ Date:________________Unit 2: AstronomySeasons & Suns Path1. Base your answer…

Slide 1 The Earth, The Sun, and The Moon Slide 2 Daylight Hours If you lived in a region near Earth’s equator, you would notice little change from day to day throughout…

Sleep and Arousal Lecture 9 NRS201S John Yeomans EEG Changes in Sleep Waking: Alpha (10 Hz) and beta/gamma waves (40 Hz). Slow-Wave sleep: From alpha to spindles (14 Hz)…