No wonder it’s cold down here

Here in Australia, it’s the middle of winter. And, as Bad Astronomy reminds me, we’ve also just had aphelion, Earth’s furthest point from the sun (152 million km, compared to 147 million km at closest approach). The diagram below exaggerates the elliptical nature of Earth’s orbit, but it gives the general idea:

For the current distance to the sun, see Wolfram’s calculator or the live diagram of the solar system at Fourmilab, which includes images (green lines show orbits below the plane of the ecliptic):

Live Solar System image

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