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Old 01-09-2016, 07:55 PM
atkinsonr (Rich)
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atkinsonr is offline
 
Join Date: Jan 2013
Location: Northern Beaches, Sydney
Posts: 54
How can three planets in our sky form a triangle?

Looking at the sky this week we were fortunate to have some amazing views of Mercury, Venus and Jupiter in conjunction.

Given that the planets formed from the protoplanetary disc, and given the conservation of angular momentum, why did Mercury, Venus and Jupiter form a triangle from the perspective of Earth?

Was it due to an early interaction or collision between two planets? If so what are the details?

I'd love to know the answer to this in as much detail as possible
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