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Planetary Nebula

All articles tagged with #planetary nebula

Astrophotographer’s 30-Hour Capture of Dumbbell Nebula Illustrates the Sun’s Future Fate
science-and-space3 days ago

Astrophotographer’s 30-Hour Capture of Dumbbell Nebula Illustrates the Sun’s Future Fate

Astrophotographer Andrew McCarthy released a 30-hour exposure of the Dumbbell Nebula (Messier 27) for his 2027 cosmic calendar, using the image to illustrate the eventual death of the Sun. The nebula, located in the constellation Vulpecula, is a planetary nebula formed by a dying star similar to our Sun. McCarthy explains that the Sun will eventually expand into a red giant, shed its outer layers, and collapse into a white dwarf, mirroring the process seen in the Dumbbell Nebula. The image was captured using Hydrogen, Oxygen, and Sulfur-tuned filters to isolate trace gases, creating a 'Hubble Palette' effect that enhances contrast while maintaining visible spectrum colors. McCarthy notes that the image serves as a reminder that the solar system has an expiration date, with the Sun’s mass eventually contributing elements to form new planets.

Webb Telescope Reveals Finer Details of the Lion Nebula and Its Dying Star
science1 month ago

Webb Telescope Reveals Finer Details of the Lion Nebula and Its Dying Star

NASA’s James Webb Space Telescope has captured new infrared images of the Lion Nebula (NGC 2392) using its NIRCam and MIRI instruments, revealing clearer dust clumps and ionized gas around the dying star at the center. The infrared view, clearer than previous Hubble shots, shows how the gas and dust shell around a white dwarf is shaping the nebula over thousands of years as the star sheds its outer layers.

space1 month ago

JWST Unveils Infrared Portrait of the Lion’s Head Nebula

NASA’s James Webb Space Telescope provides a detailed infrared view of the Lion’s Head Nebula, a planetary nebula formed as a Sun-like star shed its outer layers, leaving a hot white dwarf at the core that ionizes surrounding gas to sculpt a lion-like face, with surviving dust creating the mane; the new image helps scientists study gas-dust interactions and radiation effects in dying stars.

Dead-star debris returns to the Galaxy, foreshadowing the Sun's distant fate
space1 month ago

Dead-star debris returns to the Galaxy, foreshadowing the Sun's distant fate

Astronomers using the new MOTHRA instrument spotted bow-shaped clumps in the Helix Nebula, showing material shed by a dying star being torn apart and reabsorbed into the interstellar medium, a vivid demonstration of stellar debris being recycled into the galaxy to seed future stars—and a reminder that our Sun will undergo a similar fate in about five billion years.

JWST Unveils Lion Nebula’s Infrared Mane in New Image
space1 month ago

JWST Unveils Lion Nebula’s Infrared Mane in New Image

NASA’s James Webb Space Telescope released a new infrared image of the Lion Nebula (NGC 2392), revealing a glowing purple gas ‘mane’ surrounding a white-dwarf core. The view, built from JWST’s NIRCam and MIRI data, shows details unseen in prior images and confirms the nebula will continue to expand, with the lion’s face potentially fading over roughly 10,000 years. The central nose-like purple spot marks the dying star’s remnant powering the nebula.

Boomerang Nebula: The Coldest Natural Spot in the Universe
space3 months ago

Boomerang Nebula: The Coldest Natural Spot in the Universe

Astronomers have identified the Boomerang Nebula, a fast-expanding shell around a dying star about 5,000 light-years away, as the coldest natural object known at roughly one degree above absolute zero—colder than the cosmic microwave background of 2.7 K. The extreme chill arises from rapid gas expansion acting like a refrigerator, and the temperature was inferred from how the gas absorbs background radiation. This is a transient stage in a Sun-like star’s death, and the outer gas will warm over time; no colder natural places have been found yet.

Two Stars, One Dazzling Death: New View of the Crystal Ball Nebula
science-space4 months ago

Two Stars, One Dazzling Death: New View of the Crystal Ball Nebula

A new image of the Crystal Ball Nebula (NGC 1514) taken with Hawaii’s Gemini North telescope shows a dying star in a binary system about 1,500 light-years away; as the primary star sheds its outer layers, its orbiting companion stirs the expanding gas into intricate, cloudlike shapes, with colors tracing hot hydrogen and oxygen. Captured by the Gemini Multi-Object Spectrograph atop Maunakea, the view highlights how planetary nebulae form and evolve on short astronomical timescales, roughly 10,000 years, while astronomers monitor changes over years to learn how mass is lost and shells expand.

Helix Nebula: dying Sun, dusty disk, and surviving comets
space5 months ago

Helix Nebula: dying Sun, dusty disk, and surviving comets

NASA's Spitzer infrared image captures the Helix nebula, a 700 light-years away planetary nebula—the glowing shell of a sun-like star—with a central white dwarf and a dusty disk likely kicked up by comets that survived the star's death; the finding shows how comets can endure and be redistributed as stars end their lives, and notes that our Sun will form a similar nebula in about five billion years.

JWST Discovers Hollow Shell of Buckytballs in Tc 1 Nebula
space5 months ago

JWST Discovers Hollow Shell of Buckytballs in Tc 1 Nebula

The James Webb Space Telescope’s Mid-Infrared Instrument images the planetary nebula Tc 1, revealing buckyballs arranged in a thin hollow shell around the central star and enabling exact chemical mapping through integral field unit spectroscopy. This builds on the 2010 Spitzer discovery led by Jan Cami, offering new clues about how these carbon-based molecules form and persist in space, and highlighting a surprising, spiral-like structure and a mysterious inverted question-mark feature in Tc 1.

Cat's Eye Nebula Revealed: a joint Hubble-Euclid view of a dying star
space6 months ago

Cat's Eye Nebula Revealed: a joint Hubble-Euclid view of a dying star

Astronomers combined Hubble’s high-resolution view of the Cat’s Eye Nebula (NGC 6543) with Euclid’s wide-field imaging to study the dying star’s final acts. The close-up reveals intricate gas bubbles, rings, jets and knots around the central star, while Euclid shows faint arcs and delicate filaments in the surrounding environment, together offering a cinematic, multi-scale portrait of a planetary nebula’s final stages.

James Webb reveals brain-like Exposed Cranium nebula in vivid infrared
space7 months ago

James Webb reveals brain-like Exposed Cranium nebula in vivid infrared

NASA’s James Webb Space Telescope captures two infrared views of the brain-shaped planetary nebula PMR 1, nicknamed the Exposed Cranium, showing a glowing outer shell and a dark central lane. The dual images (NIRCam and MIRI) reveal complex gas and dust from a dying star in the Vela constellation, illustrating the star’s final ejection before it either becomes a white dwarf or, less likely, explodes as a supernova.