Astronauts aboard the International Space Station took this panoramic photo looking northeast from a point about halfway along the Aleutian Island chain.
This chart shows how we on Earth see Comet ISON in front of the background stars, as it falls toward the sun, moving from the outer to the inner solar system.
Composite image of Milky Way and moon halo - with Venus and Saturn - captured in Mersing, Malaysia before peak of Perseid meteor shower earlier this week.
Comet ISON might have become a spectacular sight around the time it comes closest to our sun in late November 2013. But, as of now, that's not looking likely.