In today's image, we see the spiral galaxy known as NGC 3370. The is an important spiral galaxy because we have been able to measure its distance using two different methods which helps to calibrate our distance measurement to allow more accurate distance determination for other, more distant, galaxies.

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This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day. You can use the archive link below the image to select the photo corresponding to the date of this podcast.

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