Messier 7 Ptolemy Cluster (NGC 6475) (Eduardo Rigoldi Fernandes)

Celestial hemisphere: Southern · Constellation: Scorpius (Sco) · Contains: M 7 · NGC 6475 · Ptolemy's Cluster

Messier 7 Ptolemy Cluster (NGC 6475), Eduardo Rigoldi Fernandes

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Messier 7 Ptolemy Cluster (NGC 6475)

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Messier 7 Ptolemy Cluster (NGC 6475)

Messier 7, also known as the Ptolemy Cluster, is an open star cluster located in the constellation Scorpius. Scientifically speaking, an open star cluster is a group of stars that were formed from the same giant molecular cloud and are loosely bound by gravitational attraction. These clusters are relatively young, typically a few hundred million years old, and contain stars of various masses and evolutionary stages.

Messier 7 is one of the most prominent open clusters in the sky, consisting of about 80 stars that are visible to the naked eye. It is situated at a distance of approximately 980 light-years from Earth and spans an area of about 25 light-years in diameter. The cluster is relatively young, with an estimated age of around 220 million years.

Studying open clusters like Messier 7 is important for astronomers because they provide valuable information about the formation and evolution of stars. By analyzing the properties of the stars within the cluster, such as their masses, luminosities, and temperatures, scientists can gain insights into the processes that govern the birth and development of stars in our galaxy.

Additionally, open clusters like Messier 7 play a crucial role in our understanding of the Milky Way's structure and dynamics. By studying the distribution and motion of these clusters, astronomers can infer the overall structure of the galaxy and its history of star formation.

In summary, Messier 7, the Ptolemy Cluster, is a significant astronomical object that offers valuable insights into stellar formation, evolution, and the structure of our galaxy. Scientists continue to study such clusters to expand our knowledge of the universe and its countless celestial phenomena.

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

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Messier 7 Ptolemy Cluster (NGC 6475)

Messier 7 Ptolemy Cluster (NGC 6475)

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Messier 7 Ptolemy Cluster (NGC 6475)

Messier 7 Ptolemy Cluster (NGC 6475)

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