A stunning deep-space image showcasing the open star clusters M46 (upper left) and M47 (lower right) in the Puppis constellation. M46, approximately 5,400 light-years away, is older and contains hundreds of stars, while the younger M47, at 1,600 light-years, is smaller and looser. Interestingly, the planetary nebula NGC 2438, a foreground object, is superimposed on M46, illustrating the vast distances and coincidental alignments in space.

Astronomy Picture from 10/09/2006

Star Clusters Young and Old

Source: https://apod.nasa.gov/apod/ap060910.html


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A stunning image of Comet Hartley 2 (103P/Hartley) traversing the constellation Puppis. The greenish coma of the comet is clearly visible, along with the open star clusters M46 and M47. This image highlights the comet's significance in understanding the origin of Earth's water, as its deuterium-to-hydrogen ratio is similar to that of Earth's oceans, suggesting a Kuiper Belt origin for some of our planet’s water.

Astronomy Picture from 07/10/2011

The Comet Hartley 2 Cruise

Source: https://apod.nasa.gov/apod/ap111007.html


#CometHartley2 #KuiperBelt #HerschelSpaceObservatory #DeepSpace #Astronomy #Space #Comet #Stars #StarClusters #M46 #M47 #Puppis #Cosmology #PlanetaryScience

#M47

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