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All-Sky Astronomical Surveys

Herein we learn about the nature of full-sky surveys. It is highly instructive to make maps of the entire sky, just like it's important to make maps of our spherical Earth. We look at many wavelength bands and how the sky looks at all those wavelengths. This is part of my intro Astronomy class taught at Willam Paterson University and CUNY Hunter. List of Full-Sky Surveys: https://skyview.gsfc.nasa.gov/current... Axel Mellinger and NASA / Goddard Space Flight Center (GSFC) Optical Full Sky Map: https://apod.nasa.gov/apod/ap010202.html Axel Mellinger's All-Sky Panorama from 2009: https://lightsinthedark.com/2009/10/ H-Alpha data from WHAM, VTSS, and SHASSA: https://lambda.gsfc.nasa.gov/product/... Douglas Finkbeiner's H-Alpha survey: https://faun.rc.fas.harvard.edu/dfink... NASA's Wide-field Infrared Survey Explorer: http://www.nasa.gov/mission_pages/WIS... ESA's Planck Satellite: https://www.esa.int/Our_Activities/Sp... Neutral hydrogen all-sky map: https://lambda.gsfc.nasa.gov/product/... Max Planck Institute's 73cm Radio survey: https://www.aanda.org/articles/aa/ful... The LWA1 Low-Frequency Sky Survey: https://lda10g.alliance.unm.edu/LWA1L... ROSAT X-Ray Diffuse Background: https://imagine.gsfc.nasa.gov/science... Fermi Gamma Ray Telescope: https://www.nasa.gov/mission_pages/GL... The Large Synoptic Survey Telescope: http://www.lsst.org 0:00 Introduction 0:01 All-sky Astronomical Surveys 0:50 Projections of the Earth. 1:45 All-sky Astronomy: Optical 4:48 All-sky Astronomy: H-alpha 8:16 All-sky Astronomy: Infrared by WISE 9:57 All-sky Astronomy: Microwave by Planck. 11:44 All-sky Astronomy: 21cm: neutral hydrogen 15:47 All-sky Astronomy: 35 MHz or 8.5 meters! 17:54 All-sky Astronomy: X-rays: ROSAT 20:47 All-sky Astronomy: Gamma-rays by Fermi