NASA’s Astronomy Picture of the Day

In today's image, we see the emission nebula known as the Heart Nebula. This is a star forming region in the process of forming a new cluster of 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.

In today's image, we see Comet Lemmon which is currently visible near the Big Dipper in the Northern sky. It may be easier to find using your camera phone to take a picture of the area as that will be more sensitive than your eye.

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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...

In today's image, we see comet Churyumov-Gerasimenko as imaged by the Rosetta spacecraft. This shows jets of materials being expelled from the comet which are what helps to form the coma and tails of a comet.

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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...

In today's image, we see the asteroid named Bennu. This asteroid was visited by the ORIRIS-REx spacecraft and returned a sample of this asteroid to Earth in 2023 for more detailed laboratory study.

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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.

In today's image, we see the second asteroid to be visited by a spacecraft which was the asteroid Ida which was visited by the Galileo spacecraft on its way to Jupiter in 1993. It was found to have a small moon orbiting it, which has been named Dactyl.

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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...

In today's image, we see the seat forming region known as NGC 7129. This may be much like the region where our own Sun formed five billion or so years ago.

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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 the plume from the launch of a Falcon 9 rocket which was delivering multiple Starling communications satellites to low Earth orbit.

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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 a part of the Elephant Trunk Nebula which is also known by its catalog designations of IC 1396. This is also considered a cometary globule for its resemblance to a comet with a head and tail.

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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...

In today's image, we see Comet Lemmon positioned above a tree here on Earth. Comet Lemmon has reached its closest approach to our Sun and is now approaching Earth - although it is not passing close enough to be a danger - It is expected to brighten and may become visible to the unaided eye over the next few weeks.

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In today's image, we see a comparison of the water on Earth versus the water on Jupiter's moon, Europa. Despite its smaller size, Europa is expected to have more water than the much larger 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...

In today's image, we see the Manicouagan impact crater in Quebec, Canada as imaged from the International Space Station back in 2019.

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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 the sky above the telescope dome where the exoplanet 51 Pegasi b was discovered - this was the first discovery of a planet around a star like our Sun and the fist discovery of the type of planet which become known as a "Hot Jupiter".

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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...

In today's image, we see the Moon as it rises over a building in New York City. This was the full moon from a few days ago and is also known as the Harvest Moon and a Supermoon since it occurred at the Moon's closest approach to Earth in its orbit.

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In today's image, we see the star forming region known as the Wizard Nebula. Here, newly forming stars are creating the patterns and colors that we see.

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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...

In today's image, we see multiple images of a supernova occurring in a distant galaxy. Multiple images are possible because of gravitational lensing cause by the gravitational field of the intervening galaxy cluster.

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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.<...

In today's image, we see five images of Comet Lemmon taken of the period of about a week. Here we can see the distinct changes that occur in the ion tail of a comet.

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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...

In today's image, we see a storm on Saturn from 2010 as images by the Cassini spacecraft. The storm lasted for six months and stretched all the way around the planet.

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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 a video composed of images from the Lunar Reconnaissance Orbiter showing what it would look like if we could see the Moon as it rotates on its axis.

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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.<...

In today's image, we see the cluster sometime known as Pandora's Cluster. This is a large galaxy cluster which appears to be three clusters merging together.

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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...

In today's image, we see an image of Pluto as taken by the New Horizons spacecraft over a decade ago. This image was taken shortly after New Horizons passed by Pluto so we can see it from behind looking back toward the Sun.

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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...

In today's image, we see the supernova remnant known as the Witch's Broom Nebula. This is the remnant of a star that would have been seen to explode here on Earth about ten thousand years ago.

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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...

In today's image, we see an image of Comet Lemmon, the third comet currently visible in the sky with the aid of binoculars. The comet will make its closes approach to Εarth on October 21 and its closest approach to the Sun a couple of weeks later.

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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 t...

In today's image, we see Comet SWAN and Comet ATLAS as they appear close to one another in the sky.

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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 a close-up of spots on Martian rocks as discovered by the Perseverance Rover. There is a possibility that such spots could have a biological origin although there are other possibilities for the origin of these.

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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...

In today's image, we see a rocket imaged as it passed across the face of the Sun in the sky.

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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 two comets: Comet SWAN and Comet ATLAS as well as the planet Mars in this image.

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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 Saturn on the day of opposition when it was directly opposite to the Sun in the sky a few days ago. Here it is wishing the gegenschein, a glow caused by light back scattered off of dust in the solar system.

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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...

In today's image, we see an illustration showing the area around colliding black holes. This is meant to illustrate the collision detected earlier this year of two black holes - A collision which occurred a billion years ago, but is just being detected as the gravitational waves finally reach 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...

In today's image, we see NGC 6357 which contains some of the most massive stars known, pushing toward 100 times the mass of our own Sun.

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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 images of Saturn showing the changing position of the rings as its equinox approaches.

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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 different paths of the Sun as it sets at different times of year. As the equinox approaches, the view will be like the center line where the Sun sets due West.

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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...

In today's image, we see the waning crescent Moon as well as the planet Venus in its gibbous phase as they passed relatively near to one another recently.

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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 the nebulae around NGC 6914. These include red emission nebulae as well as blue reflection nebulae.

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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 the comet known as SWAN25B. This comet made its closest approach to the Sun shortly after it was discovered a week ago. It is currently moving closer to Earth although it will not come near striking 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...

In today's image, we see various nebulae and star clusters located in the direction of the constellations of Sagittarius which is located near the plane of the Milky Way Galaxy.

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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 a newly discovered comet known as SWAN25B. The comet is currently moving closer to Earth and will likely brighten over the next month. How bright it will get is still a good question.

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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...

In today's image, we see a computer simulator of a powerful coronal mass ejection striking Earth's magnetic field. A strong enough CME could push the Earth's magnetic field below the orbits of communications satellites leaving them open to potential damage.

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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...

In today's image, we see a video which demonstrates the tilt and rotational spin of each of the eight planets in the solar system.

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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 star trails in the sky over the One-Mile Radio Telescope in the United Kingdom.

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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 images of the lunar eclipse as viewed in both the Northern and Southern Hemispheres of Earth. This shows the different perspectives from different positions on the spherical 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.<...