Planetesimal Collection

A young star surrounded by a dusty protoplanetary disk
This artists concept shows a young star surrounded by a dusty protoplanetary disk. This disk contains the raw material that can form planets as the star system matures

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

Artist concept of a galaxy inside of a glowing hydrogen blob. The artists representation shows what one of the galaxies inside a blob might look like if viewed at a relatively close distance

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

A rare galaxy that is extremely dusty, and produces radio jets
This artists rendition illustrates a rare galaxy that is extremely dusty, and produces radio jets

A spheroid shape emerges from the formation of a new planet as its gravity gathers matter from surrounding rocks and debris

Illustration of a supermassive black hole at the core of a young, star-rich galaxy
This artists conception illustrates one of the most primitive supermassive black holes known, at the core of a young, star-rich galaxy

A possible newfound planet spins through a clearing in a nearby stars dusty, planet-forming
In this artists conception, a possible newfound planet spins through a clearing in a nearby stars dusty, planet-forming disc

A supermassive black hole at the center of a galaxy
This artists concept depicts a supermassive black hole at the center of a galaxy. The blue color here represents radiation pouring out from material very close to the black hole

A tight pair of stars and a surrounding disk of dust
This artists concept illustrates a tight pair of stars and a surrounding disk of dust, most likely the shattered remains of planetary smashups

A dusty planet-forming disk in orbit around a whirling young star
This artists concept shows a dusty planet-forming disk in orbit around a whirling young star. The Spitzer Space Telescope found evidence that disks like this one can slow their stars down

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

An O-star just behind a young, cooler star and its swirling disk of planet-forming
This artists concept illustrates an O-star, which can be seen near the top right, just behind a young, cooler star and its swirling disk of planet-forming material

Material ejected by the Theia collision with primordial Earth
After Theia collided with the primordial Earth, the material ejected by the collision slowly began to reform into a body orbiting the Earth

A gap in a protoplanetary, or planet-forming, disk surrounding a young star. This artists concept illustrates one interpretation of the data, which attributes the disk gap to planet formation

This illustration shows a group of asteroids and their orbits around the sun, compared to the planets. Unlike the orbits, the planets are not to scale

A type of dead star called a pulsar and the surrounding disk of rubble
This artists concept depicts a type of dead star called a pulsar and the surrounding disk of rubble discovered by the Spitzer Space Telescope

Artists concept showing a lump of material in a swirling, planet-forming disk
This artists conception shows a lump of material in a swirling, planet-forming disk. Astronomers using the Spitzer Space Telescope found evidence that a companion to a star

A supermassive black hole at the center of a remote galaxy digesting the remnants
This artists concept shows a supermassive black hole at the center of a remote galaxy digesting the remnants of a star. The artists concept chronicles the star being ripped apart

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

Dusty disks circling a star
This artists concept illustrates a solar system that is a much younger version of our own. Dusty disks, like the one shown here circling the star, are thought to be the breeding grounds of planets

Solar system formation, artwork C013 / 8989
Solar system formation. Computer artwork of a protoplanet inside the primordial nebula surrounding the Sun (centre). All the solar systems components originated from this disc of gas and dust

Solar system formation, artwork C013 / 8988
Solar system formation. Computer artwork of rocky asteroids and protoplanets around the primordial nebula surrounding the Sun (centre)

Planetesimal asteroids in the early solar system
Solar system formation. Artwork of asteroids (planetesimals) in the early solar system about 4.7 billion years ago. The planetesimals lie in an interstellar cloud (nebula)

Artwork of asteroids in the early solar system
Solar system formation. Artwork of asteroids (planetesimals) in the early solar system. A jet can be seen erupting from a pole of the Sun

Early solar system. Artwork showing the collision of rocky bodies (planetesimals) in the early solar system. Our solar system is thought to have formed around 4.5 billion years ago

Asteroids fall towards the early Earth
Early Earth. Artwork of the Earth about 4000 million years ago surrounded by asteroid-like planetesimal rocks and glowing red gas

Planetary formation, artwork
Planetary formation. Computer artwork of small rocky bodies (planetesimals) accreting with a protoplanet in the early Solar System

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"Planetesimal: The Building Blocks of Cosmic Beauty" A young star surrounded by a dusty protoplanetary disk, where planetesimals take shape, laying the foundation for future worlds. Witness an extraordinary sight as a debris disk encircles an unusual class of interacting binary stars, unveiling the chaotic dance of celestial bodies. Step into a captivating scene portraying the early stages of a solar system forming, where planetesimals gather to create new planets and bring life to barren landscapes. Immerse yourself in an artist's concept of a galaxy nestled inside a glowing hydrogen blob, showcasing the breathtaking interplay between cosmic structures and elemental forces. Marvel at the sheer power as a comet is torn to shreds around a dead star, leaving behind remnants that will become part of other planetary systems yet to be born. Discover the enigmatic beauty within a rare galaxy veiled in extreme dustiness while producing mesmerizing radio jets that traverse vast cosmic distances. Observe with wonder as spheroid shapes emerge from the formation process of new planets, sculpted by gravitational forces and primordial materials coming together harmoniously. Behold the celestial harmony within a binary star system, where two stellar companions share their journey through space while shaping their surroundings with swirling disks of dust. Delve into an awe-inspiring illustration depicting a supermassive black hole reigning supreme at the core of its young and star-rich galaxy—a testament to nature's grandeur on colossal scales. Peer into distant realms as we unveil glimpses of possible newfound planets spinning gracefully through clearings amidst nearby stars' dusty embrace—potential cradles for extraterrestrial lifeforms yet unknown. Explore mysteries beyond imagination as you encounter supermassive black holes lurking at galactic centers—an embodiment of immense gravity shaping entire galaxies around them.