White Dwarfs Collection

Diagram showing the spectral class and luminosity of stars. The diagram was named The Hertzsprung-Russell Diagram, or the H-R diagram for short

Artists concept illustrating the two Saturn-sized planets discovered by the Kepler
This artistas concept illustrates the two Saturn-sized planets discovered by the Kepler mission. The star system is oriented edge-on, as seen by Kepler, such that both planets cross in front

A dying star which will soon give new beginning to a black hole. A new unstoppable power rising on our eyes

A debris disk around an unusual class of interacting binary stars
This artist concept shows a debris disk that has been observed around an unusual class of interacting binary stars. The type of cataclysmic variable system being studied consists of a highly magnetic

A comet being torn to shreds around a dead star
This artists concept illustrates a comet being torn to shreds around a dead star, or white dwarf, called G29-38. The Spitzer Space Telescope observed a cloud of dust around this white dwarf that may

The Earth compared to the sun, a white dwarf and a neutron star
The Earth compared to the Sun, a white dwarf and a neutron star

The final stages of the life of a massive star, which will go supernova

The constellation of Canis Major with nearby deep sky objects
The constellation of Canis Major, with Sirius at upper right, Messier 41 cluster to the left of Sirius, and M46 and M47 clusters above at upper right

Artists concept showing the binary star system of Sirius A and Sirius B
This picture is an artists impression showing how the binary star system of Sirius A and its diminutive blue companion, Sirius B, might appear to an interstellar visitor

Artists concept showing carbon balls ejecting out from a dying white star in a planetary
Artists concept showing carbon balls coming out from the type of object where they were discovered, a dying star and the material it sheds, known as a planetary nebula

Saturn in the Beehive Star Cluster, also known as Messier 44 or NGC 2632

Constellations Canis Major and Puppis with nearby deep sky objects

Messier 27, The Dumbbell Nebula, a planetary nebula in Vulpecula

Messier 41 below the bright star of Sirius in the constellation Canis Major
Open star cluster Messier 41 below the bright star of Sirius in the constellation Canis Major

A simplified Herzprung-Russell Diagram showing how stars are classified

The accretion disk around the binary star system WZ Sge
An artists concept of the accretion disk around the binary star system WZ Sge using data from Kitt Peak National Observatory and the Spitzer Space Telescope

A white dwarf star surrounded by a disintegrating asteroid
This artists concept illustrates a dead star, or white dwarf, surrounded by the bits and pieces of a disintegrating asteroid

The constellation of Canis Major and nearby open clusters and nebulae. Sirius is at upper center; M41 is below Sirius; M46

Implosion of a Sun with visible solar system and planets

Zeta Piscium is a binary star system consisting of a red giant and a white dwarf. The latter is drawing in material from its companion

A star going nova

M57, The Ring Nebula. The inner shell glows green from ionized oxygen and nitrogen while hydrogen in the outer shell glows red

Jets of material shooting out from the neutron star in a binary system
This artist concept illustrates jets of material shooting out from the neutron star in the binary system 4U 0614+091. Astronomers using the Spitzer Space Telescope found these remarkable jets

A compact object, or a black hole, is seen ripping off gas from its sun-like companion that has filled its Roche Lobe. Gas from the star (called the donor)

An earth-like planet illuminated by a nearby white dwarf
An Earth-like planet illuminated by a nearby white dwarf

A binary star system consisting of a red giant and a white dwarf, seen from a hypothetical planet

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"Exploring the Mysteries of White Dwarfs: From Spectral Class to Black Holes" In this captivating diagram, we delve into the intriguing world of white dwarfs. The spectral class and luminosity of stars are beautifully showcased, unraveling their secrets one by one. An artist's concept mesmerizes us as it unveils two Saturn-sized planets discovered by Kepler, orbiting around a dying star that is on the verge of birthing a black hole – an awe-inspiring spectacle indeed. Our attention then shifts to an unusual class of interacting binary stars surrounded by a mesmerizing debris disk. This celestial phenomenon leaves us in wonderment at the intricate dance between these cosmic entities. A comet meets its fate as it is torn apart while encircling a dead star, leaving behind only fragments and remnants in its wake – a poignant reminder of nature's relentless power. The scale becomes apparent when comparing our humble Earth to both the sun and white dwarf stars, with neutron stars adding another layer of fascination. We are left astounded by their sheer magnitude and complexity. As we witness the final stages in the life cycle of massive stars leading up to supernovae explosions, we can't help but feel humbled by nature's grand finale for these celestial giants. The constellation Canis Major beckons us towards deep sky objects nearby; they serve as beacons guiding astronomers through uncharted territories within our vast universe. An artist's concept showcases Sirius A and Sirius B in their binary star system – an enthralling display that captivates our imagination with its stellar companionship. We are transported into space once more as carbon balls eject from a dying white star within a planetary nebula—an extraordinary sight that sparks curiosity about what lies beyond our own solar system. Saturn finds itself nestled amidst countless other celestial bodies within the Beehive Star Cluster—a breathtaking view that reminds us how interconnected everything truly is on cosmic scales unimaginable.