The Moon and the Pleiades (M45, up and to the left of the Moon) rise in this shot taken from Portopalo di Capo Passero in Sicily. Credit: Gianni Tumino <\/p>\n
Hi folks, tune in every week of 2023 for the best in astronomy from Astronomy Editor Dave Eicher, brought to you by Celestron. Daves weekly video series will cover all the latest sky events, scientific results, overviews of cosmic mysteries, and more! <\/p>\n
This week, weve got a great conjunction between the Moon and one of the most famous deep-sky objects the Pleiades (M45). The name is thought to derive from the Greek plein, meaning to sail: Every year when the cluster first became visible, rising in the pre-dawn sky, it marked the beginning of Mediterranean sailing season. <\/p>\n
The Pleiades is also known colloquially as the Seven Sisters for the appearance of its brightest naked-eye stars. But the cluster has by some counts over 1,000 members, most of them hot blue young stars. They happen to be passing through an unrelated dust cloud, forming a reflection nebula. Its the closest Messier object, less than 500 light-years distant. Observations from NASAs Kepler space telescope showed that the clustersseven brightest members are variable stars. <\/p>\n
For more on observing the Pleiades and other great targets, see Astronomys series of 101 Must-See Cosmic Objects. <\/p>\n
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