ScienceCast 216: Red and Golden Planets at Opposition

published 4 years ago

Reading golden planets and opposition. Presented by science at NASA. Earth is about to lap Mars and then Saturn in their race around the sun. The 2 planets have gathered together in the constellation Scorpius where they are shining brightly in the evening sky with Mars gleaming burnt orange and Saturn golden yellow. The action begins with Mars. On 5/22/2016 earth will pass directly between the sun and the red planet. Astronomers call this event the opposition of Mars. Because the sun and Mars will be on opposite sides of the sky. I positions of Mars happen every 26 months. The racetrack model of planetary orbits explains why. Earth and Mars are like runners on track. Earth is on the inner path Mars is on the other one. Every 26 months speedy earth ...

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