Perihelium: Forskelle mellem versioner
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Weblars (diskussion | bidrag) m Weblars flyttede siden Perihel til Perihelium hen over en omdirigering: Se Diskussion:Perihel og aphel |
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Linje 8:
''Periheltid'' betegner det tidspunkt, hvor himmellegemet er tættest på Solen og ''perihellængde'' anvendes til at beskrive en planetbanes beliggenhed i rummet.
I 2019 var Jorden i perihelium den 3. januar kl. 5 GMT, hvor afstanden til Solen var 0,983301 [[Astronomisk enhed|au]] eller 147,100 millioner km. I 2020 vil Jorden være i perihelium den 5. januar kl. 8 GMT og afstanden til Solen vil være 0,983244 [[Astronomisk enhed|au]] eller 147,091 millioner km.<ref name=Meeus31>Jean Meeus: ''Astronomical tables of the Sun, Moon and planets'', Willmann-Bell, Inc., 1995, side 31.</ref> REEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
==Se også==
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