Astronomy 1021 Lecture Notes - Lecture 6: Apparent Retrograde Motion, Celestial Equator, Analemma
5 Oct 2016
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Most distant object you can see with the naked eye: contains other galaxies and the blue snowball nebula. Sun"s rotation: nasa"s solar and heliospheric observatory (soho, extreme uv imaging telescope (eit, rotates around every 25 days. Sun"s path in the sky: summers are warmer because the earth"s tilt means that the. Sun is higher in the sky and therefore the light wed receive is more intense, and we receive it for longer. Analemma stellarium: at the equator, the analemma appears to be centered around the zenith, from either of the poles, you would only see half of the zenith, (photo right) from london, on. Uranus" seasons: orbit is 84 years, tilted over 98o from upright , seasons are decades in length. The apparent path of the sun again the background constellations (due to earth"s orbit: zodiac. The group of constellations through which the ecliptic passes.
