Hosted by Robert M Wagner · EN-US · 1,000 episodes
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These podcasts are my discussion of NASA's Astronomy Picture of the Day. These are brief (3-5 minute) audio summaries of the picture posted on NASA's Picture of the Day website: APOD. Video versions of these are available on YouTube. I use these as the introduction to each of my introductory astronomy classes. Students will be able to access them here to review what was discussed in class. I appreciate any comments or suggestions which can be sent to: wagnerastronomy@gmail.com.
Robert M Wagner hosts NASA’s Astronomy Picture of the Day, a education show with 1,000 episodes published.
In today's image, we see two bands of light in the sky. To the left is the Milky Way - our galaxy as we see it from within. To the right is the zodiacal light - a band of light caused by reflection of light off dust grai
In today's image, we see an image taken by the Cassini spacecraft back in 2007 of the moon of Saturn known as Iapetus. This is a very unusual moon in that one half appears as bright as snow and the other half as dark as
In today's image, we see the landing image from the Mars pathfinder from 29 years ago today. On top is the Sojourner Rover which was the first rover to explore the surface of the red planet. My podcasts are available in
In today's image, we see three interacting galaxies in the constellation of Pavo. The galaxies are in the process of colliding and merging into a single larger galaxy. My podcasts are available in video form through this
In today's image, we see two supernova remnants close together in the sky. Recent studies have suggested that these two stars were once part of a binary star system. My podcasts are available in video form through this Y
In today's image, we see the star forming region around Rho Ophiuchi including various types of nebulae. These include: emission nebulae, reflection nebulae, and dark nebulae. My podcasts are available in video form thro
In today's image, we see the asteroid Itokawa as imaged by the Hayabusa spacecraft back in 2005. This was one of the early sample return missions, returning material from the asteroid to Earth for more detailed study. My
In today's image, we see the galaxy known as M82 or the cigar galaxy. The red and orange color is gas and dust being push out by a super wind created by the combined stellar winds of many stars. My podcasts are available
In today's image, we see a large sunspot group that is currently moving across the face of the Sun. Large groups like this can affect Earth through things like solar flares and coronal mass ejections. My podcasts are ava
In today's image, we see an image from the Mars Reconnaissance Orbiter taken one day before Perseverance completed its marathon on the surface of Mars, taking over five year to travel the distance of a marathon. My podca
In today's image, we see the Milky Way images over Seoul, South Korea using an infrared filter to minimize the light pollution. My podcasts are available in video form through this YouTube Channel . This Podcast is an au
In today's image, we see anticrepuscular rays in the sky. The Sun will have just set behind the photographer as the image was taken. Sunlight passes through breaks in the clouds and the rays appear to converge on the opp
In today's image, we see timelapse video from the Solar Dynamics Observatory (SDO). The shows the eruption of a coronal mass ejection from the surface of our Sun that occurred back in April of this year. My podcasts are
In today's image, we see a video put together from images taken by the Voyager 2 spacecraft during its flyby back in 1989. My podcasts are available in video form through this YouTube Channel . This Podcast is an authori
In today's image, we see M27 also known as the Dumbbell Nebula. The is an example of planetary nebula - what our Sun will become in about six billion years. My podcasts are available in video form through this YouTube Ch
In today's image, we see a keogram - an image put together from multiple all sky images taken every 15 seconds for an entire year. We can easily see daylight and darkness and how they change over the year. My podcasts ar
In today's image, we see the planet Venus very close to the limb of the Moon. The was taken just at the end of an occultation of Venus by the Moon a few days ago. My podcasts are available in video form through this YouT
In today's image, we see a photographic recreation of Vincent Van Gogh's famous Starry Night painting. The image was taken in Brazil in April of this year. My podcasts are available in video form through this YouTube Cha
In today's image, we see a possible supernova remnant near the center of our galaxy - perhaps one of the closest known supernovae to the center of our galaxy. My podcasts are available in video form through this YouTube
In today's image, we see the planetary nebula now as Longmore 8 or the Hamster Wheel Nebula. The red color is for hydrogen has while the blue color is from ionized oxygen farther out. My podcasts are available in video f
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NASA’s Astronomy Picture of the Day is hosted by Robert M Wagner. The show is categorised under education (courses) and has published 1,000 episodes.
NASA’s Astronomy Picture of the Day has published 1,000 episodes.
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