NASA’s Astronomy Picture of the Day

In today's image, we see what is known as the Same Color Illusion. Squares A & B are exactly the same color although it may not look like they are at first glance. When a bar of the same color is laid between these two, we can see that they are actually the same color.

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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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In today's image, we see many of the Geminid meteors which appear to converge off in the distance toward the constellation of Gemini. These meteors are unusual as they are associated with an asteroid (3200 Phaethon) instead of a comet as with most meteor showers.

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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.

I welcome comments and suggestions about these podcasts. I can be reached here: [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

In today's image, we see a crescent view of the moon of Saturn, Enceladus as images by the Cassini spacecraft. This moon is surprisingly active for such a small object, having volcanic activity that results in the expulsion of icy materials from regions near its South Pole.

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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.

I welcome comments and suggestions about these podcasts. I can be reached here: [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

In today's image, we see two images of the constellation Orion side by side. In the left image, we see the red supergiant star, Betelgeuse at its regular brightness. In the right image, we see Betelgeuse much fainter as this was taken as an asteroid passed directly between Earth and Betelgeuse blocking out much of the light from the star.

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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.

I welcome comments and suggestions about these podcasts. I can be reached here: [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

In today's image, we see the supernova remnant known as Cassiopeia A. This would have been seen to explode here on Earth about 350 years ago. However, it was not clearly seen, possibly because of excess dust between us and the supernova.

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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.

I welcome comments and suggestions about these podcasts. I can be reached here: [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

In today's image, we see the emission nebula known as the Heart Nebula to the left and below and to the right is the Fish Head nebula. This Heart Nebula is an example of an emission nebula which contains gases that have been excited by the ultraviolet light from hot stars.

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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.

I welcome comments and suggestions about these podcasts. I can be reached here: [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

In today's image, we see a view of the sky from Norway which includes a prominent aurora, our Milky Way galaxy, the Pleiades star cluster, the Andromeda Galaxy, and the planet Mars.

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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.

I welcome comments and suggestions about these podcasts. I can be reached here: [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

In today's image, we see a video clip comparing solar activity at minimum (left) and maximum (right). The Sun goes through an 11 year cycle of solar activity with a peak of activity every 11 years. The more active the Sun is, the more we see solar flares and auroral activity here on Earth.

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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.

I welcome comments and suggestions about these podcasts. I can be reached here: [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

In today's image, we see the Big Dipper which is an asterism or grouping of bright stars located in the constellation of Ursa Major. The middle five stars in the dipper all move roughly together in space, but the two on either end are moving in somewhat different directions which will cause the appearance of the dipper to change over many thousands of years.

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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.

I welcome comments and suggestions about these podcasts. I can be reached here: [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

In today's image, we see the Pleiades star cluster, an open star cluster located in the constellation of Taurus. We also see the bright trail of a meteor which happened to pass through the same area of the sky while the image was being taken.

My podcasts are available in video form through this YouTube Channel.

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.

I welcome comments and suggestions about these podcasts. I can be reached here: [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.