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APOD (Astronomy Picture of the Day) Calendar - December 2022 Since 1995, Robert Nemiroff and Jerry Bonnell have created, authored, organised, and edited Astronomy Picture of the Day (APOD). The APOD repository has the internet's biggest collection of captioned astronomy photos. 03-Dec-2022 - APOD NASA Calendar Stereo Mars near Opposition Image Credit & Copyright: Marco Lorenzi Explanation: Mars looks sharp in these two rooftop telescope views captured in late November from Singapore, planet Earth. At the time, Mars was about 82 million kilometers from Singapore and approaching its opposition, opposite the Sun in planet Earth's sky on December 8. Olympus Mons, largest of the volcanoes in the Tharsis Montes region (and largest known volcano in the Solar System), is near Mars' western limb. In both the images it's the whitish donut-shape at the upper right. The dark area visible near center is the Terra Sirenum region while the long dark peninsula closest to the planet...