Radiation. Introduction Information from the Skies Waves in What? The Wave Nature of Radiation The Electromagnetic Spectrum Thermal Radiation The Kelvin.
Electromagnetic Spectrum. The electromagnetic spectrum covers a wide range of wavelengths and photon energies.
Inside the Modern Atom. Review of Waves n Properties: Wavelength ( ): distance between two successive crests u Frequency (f): number of wave crests.
Measuring Light Quantitatively Spectroscopy: measuring wavelengths ( ) and frequencies ( ) emitted or absorbed by matter; composition of stars Photometry:
The Invisible Universe Sources & Detectors of Invisible Light NEIU NASA Endeavour Program.
Chapter 5: Electrons in Atoms. 5.2 Electron Arrangement in Atoms When an electron goes to a higher orbit, its energy. When an electron goes to a lower.
Waves and Properties of Light. Introduction Information from the Skies Waves in What? The Wave Nature of Radiation The Electromagnetic Spectrum Thermal.
Chapter 2 (My Take) It’s what we see (or don’t see for that matter) that counts
CHAPTER 22: EXPLORING SPACE. SECTION 1 – RADIATION FROM SPACE What is the electromagnetic spectrum? What is the difference between refracting and reflecting.
CHAPTER TWENTY-TWO Exploring Space. Section 1: Radiation from Space The light and other energy leaving a star are forms of radiation. Radiation:
Exploring Space. Radiation from Space Electromagnetic Radiation Stars give off different wavelengths of light that make up the spectrum. Stars give off.
Chapter 2 (My Take) It’s what we see (or don’t see for that matter) that counts.