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vraiharaga
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apod.shinyakato.dev
Shadows of Mountain and Moon - ©
Enzo Massa Micon

- Photo
- HD Photo
- About NASA Astronomy Picture Of the Day

#apod #science #astronomy #astrophotos #🔭

Maintained by @shinyakato.dev

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Can the Moon and a mountain really cast similar shadows? Yes, but the division between light and dark does not have to be aligned. Pictured, a quarter moon was captured above the mountain Grivola in Italy in early October of 2022. The Sun is to the right of the featured picturesque landscape, illuminating the right side of the Moon in a similar way that it illuminates the right side of the mountain. This lunar phase is called "quarter" because the lit fraction visible from Earth is one quarter of the entire lunar surface. Digital post-processing of this single exposure gave both gigantic objects more prominence. Capturing the terminator of this quarter moon in close alignment with nearly vertical mountain ridge required careful timing because the Earth rotates once a day.
January 22, 2024 at 8:06 AM
Reposted by vraiharaga
apod.shinyakato.dev
NGC 2440: Cocoon of a New White Dwarf

📷 Photo: apod.nasa.gov/apod/ap23122...
📸 HD Photo: apod.nasa.gov/apod/image/2...

#nasa #apod #astronomy #astrophotos #🔭

- Automated by @shinyakato.dev
- About NASA Astronomy Picture of the Day

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What's that in the center? Like a butterfly, a white dwarf star begins its life by casting off a cocoon of gas that enclosed its former self. In this analogy, however, the Sun would be a caterpillar and the ejected shell of gas would become the prettiest cocoon of all. In the featured cocoon, the planetary nebula designated NGC 2440 contains one of the hottest white dwarf stars known. The white dwarf can be seen as the bright orange dot near the image center. Our Sun will eventually become a white dwarf butterfly, but not for another 5 billion years.
December 24, 2023 at 8:05 AM
Reposted by vraiharaga
apod.shinyakato.dev
IC 443: The Jellyfish Nebula - ©
David Payne

📷 Photo: apod.nasa.gov/apod/ap23122...
📸 HD Photo: apod.nasa.gov/apod/image/2...

#nasa #apod #astronomy #astrophotos #🔭

- Automated by @shinyakato.dev
- About NASA Astronomy Picture of the Day

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Why is this jellyfish swimming in a sea of stars? Drifting near bright star Eta Geminorum, seen at the right, the Jellyfish Nebula extends its tentacles from the bright arcing ridge of emission left of center. In fact, the cosmic jellyfish is part of bubble-shaped supernova remnant IC 443, the expanding debris cloud from a massive star that exploded. Light from the explosion first reached planet Earth over 30,000 years ago. Like its cousin in astronomical waters, the Crab Nebula supernova remnant IC 443 is known to harbor a neutron star -- the remnant of the collapsed stellar core. The Jellyfish Nebula is about 5,000 light-years away. At that distance, the featured image would span about 140 light-years across. Your Sky Surprise: What picture did APOD feature on your birthday? (post 1995)
December 26, 2023 at 8:05 AM
Reposted by vraiharaga
astro.st
RCW 16 (ImgCredit: Mike Paling)

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#Astro #Astrophoto #Stars

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#TLPOD winning image (10/11/2023): RCW 16 Image processed by Mike Paling original data from TelescopeLive. RCW 16 is a vast star-forming region within the Milky Way. This stellar nursery, about 5,000 light-years away, showcases young, hot stars illuminating surrounding gas and dust, fostering the birth of new celestial bodies. Camera: QHY 600M Filters: Ha OIII SII Processing: PixInsight, Photoshop, Affinity Photo Learning – Astrophotography has a seriously steep learning curve ABOUT THE IMAGE: Telescope: Planewave CDK24 (CHI-1-CMOS) Camera: QHY 600M Filters: HSO Processing: Pixinsight, Photoshop, Topaz Denoise
December 17, 2023 at 7:03 PM
Reposted by vraiharaga
thomasfuchs.at
Great amateur astronomer photo of the Andromeda Galaxy 🧪🔭
Daily Telescope: One of the most stunning Andromeda photos I’ve ever seen
The image is the result of 100 hours of observing.
arstechnica.com
December 15, 2023 at 4:03 PM
Reposted by vraiharaga
saikotarotta.bsky.social
December 15, 2023 at 8:41 AM