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10/07/2020 – Ephemeris – Let’s look for the naked-eye planets for this week

7 Oct 2020, 04:01 UTC
10/07/2020 – Ephemeris – Let’s look for the naked-eye planets for this week
(200 words excerpt, click title or image to see full post)

This is Ephemeris for Wednesday, October 7th. Today the Sun will be up for 11 hours and 22 minutes, setting at 7:11, and it will rise tomorrow at 7:50. The Moon, 2 days before last quarter, will rise at 10:23 this evening.

Let’s look for the naked-eye planets for this week. Jupiter and Saturn are both low in the southern sky at 9 pm. Jupiter is the very bright one. To the left of it will be the somewhat dimmer Saturn which is just about due south at that hour. They are closing slowly, so they will cross paths on December 21st. Jupiter will set first at 12:23 tomorrow morning with Saturn following at 1 am. Off in the east will be Mars which will rise at 7:33 pm. It’s now down to 38.6 million miles (62.1 million km) away, as the Earth is about to overtake it. Brilliant Venus will rise at 4:24 am as it retreats slowly toward the Sun. It looks like a tiny featureless gibbous moon in telescopes. Its clouds of sulfuric acid are quite featureless in visible light.

The event times given are for the Traverse City/Interlochen area of Michigan. They may be different for ...

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