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@apod@reentry.codl.fr · 1d ago
CG 30: Cometary Globules Image Credit & Copyright: Marcelo Salemme Explanation: They're like mountain peaks, but they are forming stars. Bright-rimmed, flowing shapes gather near the center of this rich starfield toward the borders of the nautical southern constellations Puppis and Vela. Composed of interstellar gas and dust, the grouping of light-year sized cometary globules is about 1300 light-years distant. Energetic ultraviolet light from nearby hot stars has molded the globules and ionized their bright rims. The globules also stream away from the Vela supernova remnant which may have influenced their swept-back shapes. Within them, cores of cold gas and dust are likely collapsing to form low mass stars whose formation will ultimately cause the globules to disperse. In fact, cometary globule CG 30 (upper right in the group) sports a small reddish glow inside its head, a telltale sign of energetic jets from a star in the early stages of formation. https://apod.nasa.gov/apod/ap260428.html #apod
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Boosted by hypebot @hypebot@tacocat.space
@apod@reentry.codl.fr · 4d ago
Comet R3 PanSTARRS Behind Satellite Trails Image Credit & Copyright: Uli Fehr Explanation: Can you find the comet? Somewhere through this web of satellite trails is Comet C/2025 R3 (PanSTARRS), a bright visitor passing through the inner Solar System. Now, the orbiting satellites themselves only appear as streaks because of the long camera exposure, over 10 minutes in this case. On the contrary, to the eye, satellites appear as points that drift slowly across the night sky and shine by reflecting sunlight -- primarily just after sunset and before sunrise. The featured image was taken just before sunrise two weeks ago from Bavaria, Germany. Presently, Comet R3 PanSTARRS is hard to see for even another reason -- because it is so (angularly) close to the Sun. As the comet rounds the Sun, it will be best seen in coming weeks from southern hemispheree skies, although then it will be heading out to interstellar space and fading. If you haven't yet found the comet, don't despair; please take a closer look just above the image center. https://apod.nasa.gov/apod/ap260427.html #apod
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Boosted by Philip C James @PhilipCJames@mas.to
@mkwadee@mastodon.org.uk · Mar 23, 2026
#LightPillars and #Orion over #Mohe #Astronomy #Picture of the Day https://apod.nasa.gov/apod/ap260323.html #APOD #China
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@lufertec@mastodon.uy · Jan 30, 2026
Para cambiar fondos de pantalla vengo usando #variety y entre las fuentes está activa la del #APOD ... hoy se vio pasar esta... https://apod.nasa.gov/apod/ap250204.html Norte de españa dice, ¿alguien sabe dónde es?
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Boosted by Philip C James @PhilipCJames@mas.to
@AstroHawk@spacey.space · Nov 27, 2025
"Portrait of NGC 1055" image by John Hayes is #NASA #astronomy picture of the day #APOD. This image of spiral galaxy NGC 1055, 60 million light years away, is the result of 82 hours of observation and processing from a remotely-operated mountaintop telescope in Chile by an astronomer in Tucson, Arizona. https://apod.nasa.gov/apod/ap251127.html
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