Home » News & Blogs » 03/19/2020 – Ephemeris – Mars will pass Jupiter tomorrow morning
Bookmark and Share
Bob Moler's Ephemeris Blog

03/19/2020 – Ephemeris – Mars will pass Jupiter tomorrow morning

19 Mar 2020, 04:01 UTC
03/19/2020 – Ephemeris – Mars will pass Jupiter tomorrow morning
(200 words excerpt, click title or image to see full post)

Ephemeris for Thursday, March 19th. Today the Sun will be up for 12 hours and 7 minutes, setting at 7:54, and it will rise tomorrow at 7:44. The Moon, 3 days past last quarter, will rise at 6:31 tomorrow morning.
Spring will start today, or rather this evening 10 minutes before midnight. But today I’d like to talk about something more immediately visible than the vernal equinox, that is the conjunction of Mars passing Jupiter tomorrow morning. In astronomy a conjunction means that the two planets pass north and south of each other. On Earth we’d say that they had the same longitude. In the sky that would be the same right ascension. The term longitude in the sky is given to measurements along the ecliptic or Sun’s path in the sky, which were more important to ancient astrologers interested more in the motions of the planets, which hung close to the ecliptic. On Earth, measurement of longitude is made from Greenwich Observatory in England, in the sky right ascension is reckoned from the point in the sky where the Sun will be at 11:50 this evening.
The event times given are for the Traverse City/Interlochen area of Michigan. They ...

Latest Vodcast

Latest Podcast

Advertise PTTU

NASA Picture of the Day

Astronomy Picture of the Day

astronomy_pod