9 Nov 2014
from Sterre en Planete Hosted by RSG
Wat is 'n sonfakkel? Kobus Olckers praat oor die kragtigheid van sonfakkels en watter skade hulle op die aarde kan berokken. Daar is ook inligting oor die Rosettatuig wat sy komeettuig, Philae, op die komeet Guryomov-Girasimenko gaan laat neerdaal en vasheg.
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This episode was published on November 8, 2014.
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