If you've been looking for Saturn lately, you've seen it rapidly sinking towards the sun in the southwestern sky just after sunset.
In reality what is happening is that Saturn is moving around its large orbit to a place on the far side of the sun. It will reach that place on Nov. 30, which is called conjunction with the sun.
This week is probably your last chance to spot Saturn before it disappears into the sun's glow. At the same time, look for the slender crescent of the moon, barely one day past new. [Watch: See a Cosmic Fish, Ram & More in November's Night Sky]
To see them you will need a distant flat horizon and a cloudless clear sky. You probably will need binoculars to pick them out of the twilight glow.
While looking at the moon in binoculars, look carefully within the moon's crescent for the rest of the moon, faintly lit by sunlight reflected off the Earth.
If you miss out on Thursday, try again the next night. The moon will be much higher in the sky, but Saturn will be even lower.
For the rest of November and most of December, Saturn will be lost from view. In late December it will reappear in the dawn sky, joining the "parade of the planets" that includes Venus, Mars and Jupiter.
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This article was provided to SPACE.com by Simulation Curriculum, the leader in space science curriculum solutions and the makers of Starry Night and SkySafari. Follow Starry Night on Twitter @StarryNightEdu. Follow us @Spacedotcom, Facebook and Google+. Original article on Space.com.