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Since this value is close to zero, the center of the orbit is relatively close to the center of the Sun (relative to the size of the orbit). As seen from Earth, the planet's orbital prograde motion makes the Sun appear to move with respect to other stars at a rate of about 1° eastward per solar day (or a Sun or Moon diameter every 12 hours).
The Sun is 1.4 million kilometers (4.643 light-seconds) wide, about 109 times wider than Earth, or four times the Lunar distance, and contains 99.86% of all Solar System mass. The Sun is a G-type main-sequence star that makes up about 99.86% of the mass of the Solar System. [26]
Orbit: Earth's Extraordinary Journey is a BBC documentary series presented by Kate Humble and Helen Czerski which aired in 2012. Running for three 60 minute episodes, the series focuses on Earth's orbit around the Sun and its effect on humans, the climate, and geological features.
Thus, the Sun occupies 0.00001% (1 part in 10 7) of the volume of a sphere with a radius the size of Earth's orbit, whereas Earth's volume is roughly 1 millionth (10 −6) that of the Sun. Jupiter, the largest planet, is 5.2 AU from the Sun and has a radius of 71,000 km (0.00047 AU; 44,000 mi), whereas the most distant planet, Neptune, is 30 AU ...
The episode substitutes a kink in the Earth's orbit—an analogue to what we currently call "the greenhouse effect"—for an atomic holocaust. Instead of blowing up, the planet is falling into the sun. Rape and pillage seem imminent, and even the pigment is boiling on the heroine-artist's canvases as the radio weatherman goes nuts on the air.
Cox starts this episode in Al-Qayrawan, Tunisia to analyse the orbit of the planets around the Sun, with details on how the 23-degree tilt of the Earth creates the seasonal weather patterns. He also visits the Atlas Mountains , and relates how in clear night skies the ancients observed the rotation of the stars and the retrograde and prograde ...
The Sun stops expanding before it reaches the orbit of Mars, the sole survivor of the inner planets and now the only rocky planet in the entire solar system. Miraculously, humans - along with a variety of different species from Earth brought along with them - escape extinction aboard space arks , as a portion of humankind was able to escape ...