Astronomiya Adlaw
An adlaw, o sudang (simbulu: ; Iningles: sun, Pambansa: Araw) amo an bitoon ha butnga han sistema solar.
An sudang an pinakaimportante na gintitikangan san enerhiya ha Kalibutan. May'ada ini diameter na maabot 1.39 milyones na kilometers (864,000 milya), ngan may'ada ini bug'at na 330,000 ka-beses kadako kumpara ha kalibutan.
Kinaiya sa Sudang
Usa na G-type main-sequence star (G2V) an Sudang base san spectral class ngan ginkaklasipika ini na "yellow dwarf" hitungud kay sobra kasuna an iya lamrag sa yellow-green na parte san spectrum, ngan bisan kun busag un tunay na kulay, naiimud tikang sa Kalibutan na dulaw hitungud san atmospheric scattering san blue light. Naabot 99.86% san bug'os na Solar system an bug'at san sudang. May'ada liwat ini absolute magnitude na +4.83, ngan gin'aanung-anung na mas masuna ini sa maabot na 85% san ngatanan na bituon sa Milky Way.
Pinanbasaran
Dugang nga barasahon
- Cohen, Richard (2010). Chasing the Sun: the Epic Story of the Star that Gives us Life. Simon & Schuster. ISBN 1-4000-6875-4. https://archive.org/details/chasingsunepicst0000cohe_l0j7.
- Thompson, M. J. (2004). "Solar interior: Helioseismology and the Sun's interior". Astronomy & Geophysics. 45 (4): 21–25.
Mga sumpay ha gawas
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- Nasa SOHO (Solar & Heliospheric Observatory) satellite
- National Solar Observatory
- Astronomy Cast: The Sun
- A collection of spectacular images of the Sun from various institutions (The Boston Globe)
- Satellite observations of solar luminosity Ginhipos 2017-06-11 han Wayback Machine
- Sun|Trek, an educational website about the Sun
- The Swedish 1-meter Solar Telescope, SST Ginhipos 2005-05-18 han Wayback Machine
- An animated explanation of the structure of the Sun Ginhipos 2011-08-10 han Wayback Machine (University of Glamorgan)
- Animation - The Future of the Sun
- Solar Conveyor Belt Speeds Up Ginhipos 2010-03-15 han Wayback Machine – NASA – images, link to report on Science
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