Datei:A ‘Butterfly’ from Death’s Door (iotw2430a).jpg
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BeschreibungA ‘Butterfly’ from Death’s Door (iotw2430a).jpg |
English: This ghostly, butterfly-shaped planetary nebula, captured with Gemini North, one half of the International Gemini Observatory, supported in part by the U.S. National Science Foundation and operated by NSF NOIRLab, is known as Kohoutek 3-46. Kohoutek 3-46 derives its name from the prolific planetary nebula hunter who discovered it, Czech astronomer Luboš Kohoutek. Located in the constellation Cygnus, Kohoutek 3-46 is estimated to be around 20,000 years old and around 7200 light-years away. The term ‘planetary nebula’ is a misnomer, since these nebulae are unrelated to planets. The term originates from their planet-like round shape, more obviously seen in this earlier NOIRLab Image of the Week. Kohoutek 3-46 has expanded into an unusual bipolar shape, classified by its well-defined hourglass shape, prominent equatorial ring and marked waist. About 10–20% of planetary nebulae are bipolar. No matter the shape they take on, these glowing clouds of gas form after a star of one to eight times the mass of the Sun has expanded into a red giant. As the core of the red giant contracts, the star expels layers of its atmosphere into space. Energetic ultraviolet radiation from the hot, exposed core then ionizes this gaseous shell around it, ‘illuminating’ the planetary nebula. |
Datum | 24. Juli 2024 (Hochladedatum) |
Quelle | A ‘Butterfly’ from Death’s Door |
Urheber | International Gemini Observatory/NOIRLab/NSF/AURA Image processing: J. Miller (International Gemini Observatory/NSF’s NOIRLab), M. Rodriguez (International Gemini Observatory/NSF’s NOIRLab) & M. Zamani (NSF’s NOIRLab) |
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Their website states: "Unless specifically noted, the images, videos, and music distributed on the public NOIRLab website, along with the texts of press releases, announcements, images of the week and captions; are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. |
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This ghostly, butterfly-shaped planetary nebula, captured with Gemini North, one half of the International Gemini Observatory, supported in part by the U.S. National Science Foundation and operated by NSF NOIRLab, is known as Kohoutek 3-46.
image/jpeg
1.317 Pixel
1.781 Pixel
743.929 Byte
7abb9c33d8c7bcc78f4d18845248d63109412c7d
24. Juli 2024
pHash checksum Englisch
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Quelle | NSF's NOIRLab |
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Namensnennung/Veröffentlicher | International Gemini Observatory/NOIRLab/NSF/AURAImage processing: J. Miller (International Gemini Observatory/NSF’s NOIRLab), M. Rodriguez (International Gemini Observatory/NSF’s NOIRLab) & M. Zamani (NSF’s NOIRLab) |
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Erfassungszeitpunkt | 12:00, 24. Jul. 2024 |
JPEG-Dateikommentar | This ghostly, butterfly-shaped planetary nebula, captured with Gemini North, one half of the International Gemini Observatory, supported in part by the U.S. National Science Foundation and operated by NSF NOIRLab, is known as Kohoutek 3-46. Kohoutek 3-46 derives its name from the prolific planetary nebula hunter who discovered it, Czech astronomer Luboš Kohoutek. Located in the constellation Cygnus, Kohoutek 3-46 is estimated to be around 20,000 years old and around 7200 light-years away. The term ‘planetary nebula’ is a misnomer, since these nebulae are unrelated to planets. The term originates from their planet-like round shape, more obviously seen in this earlier NOIRLab Image of the Week. Kohoutek 3-46 has expanded into an unusual bipolar shape, classified by its well-defined hourglass shape, prominent equatorial ring and marked waist. About 10–20% of planetary nebulae are bipolar. No matter the shape they take on, these glowing clouds of gas form after a star of one to eight times the mass of the Sun has expanded into a red giant. As the core of the red giant contracts, the star expels layers of its atmosphere into space. Energetic ultraviolet radiation from the hot, exposed core then ionizes this gaseous shell around it, ‘illuminating’ the planetary nebula. |
Software | Adobe Photoshop 25.9 (Windows) |
Speicherzeitpunkt | 17:01, 17. Jul. 2024 |
Eindeutige Kennung des ursprünglichen Dokuments | 01BA2671C1E2D052314A3D89983D531E |
Datum, zu dem die Metadaten letztmalig geändert wurden | 19:01, 17. Jul. 2024 |
Bewertung (aus 5) | 0 |
Digitalisierungszeitpunkt | 07:21, 5. Jul. 2024 |
Stichwörter | PN K 3-46 |
Kontaktinformationen |
950 North Cherry Ave. Tucson, AZ, 85719 USA |
IIM-Version | 4 |