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Peter Barthel, Kapteyn Instituut RUG HET HEELAL … IN EEN NOTENDOP HET HEELAL … OM ONS HEEN
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
GROETEN VAN DE MAAN
Omdat de maan 6x lichter is dan de aarde is de zwaartekracht er 6x zo klein
Een MAANd duurt 29½ dag, en 12 maanden duren dus  354 dagen …..
 
 
 
 
‘ t Heerlijk ochtendje is gekomen …..
Oei – het is wel wat laat geworden ….
 
 
 
 
 
 
 
…… . HET EETBARE ZONNESTELSEL ! (1 : 10.000.000.000)
[object Object],[object Object],[object Object],[object Object]
 
Een nieuw tellurium – op 40 scholen getest
 
Zonsverduistering
 
 
 
 
 
 
 
 
Er gaat veel boven Groningen! ... t/m 23 januari 2012 !!

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the Universe in a nutshell

Hinweis der Redaktion

  1. Er zijn 7 bemande ruimtevluchten geweest die 12 mensen op de maan hebben gebracht, en 382 kg stenen hebben opgehaald.
  2. Een mooie ansichtkaart …. Geen atmosfeer, regen, wind, wolken. Geringe zwaartekracht!
  3. Laten we dat eens goed bekijken m.b.v. ons schaalmodel (bouwlamp, globe, pingpongbal). Nu volle maan op 15 juni, dan weer op 14 juli, enz.
  4. Oók zwaartekracht van de maan (niet in de vijver)
  5. 12 x 29.5d = 354d. Da’s het joodse jaar, waarin maanden beginnen met nieuwe maan. Wij hebben een zonne-kalender: na een jaar is de aarde weer op dezelfde plek en hebben we weer hetzelfde seizoen. Ook Islamieten hebben een maankalender.
  6. Kerst heeft vaste datum; pasen niet – we volgen ongeveer de Joodse traditie (Loofhuttenfeest) en vieren pasen op de zondag na de eerste volle maan in de lente.
  7. Mars-maan phobos
  8. Hier zien we de schaduw: trekt met een snelheid van 2000km/u over de aarde: een zonsverduistering duurt dus maar een paar minuten.
  9. Maan kan tussen aarde en zon inkomen: gedeeltelijke of complete zonsverduistering. De schaduw van de maan valt op de aarde.
  10. Complete zonsverduistering (ring kan ook)