Electromagnetic radiation22

2.1 Introduction 22

2.2 Photon and non-photon astronomy 23 Photons (electromagnetic waves) • Cosmic rays and meteorites • Neutrino and gravitational-wave astronomy

2.3 Electromagnetic frequency bands 25 Wavelength and frequency • Photon energy • Temperature

2.4 Photons and the atmosphere 29 Atmospheric absorption • Interstellar absorption

3 Coordinate systems and charts 34

3.1 Introduction 34

3.2 Coordinates on a celestial sphere 35

Mathematical sphere at "infinity" • Celestial coordinate systems - Horizon coordinates - Equatorial coordinates - Why equatorial coordinates? - Galactic coordinates - Ecliptic coordinate system - Reference frames • Transformations

Telescopes Mastery

Telescopes Mastery

Through this ebook, you are going to learn what you will need to know all about the telescopes that can provide a fun and rewarding hobby for you and your family!

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