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NGC 6720, Ring Nebula, a very famous planetary nebula

NGC 6251 galaxy's nucleus has a black hole

Saturn's rings contain ice and dust

Gases collide in the Helix Nebula

Technician with Hubble's ACS main electronic detector

Installing an optical telescope (COSTAR) on Hubble

Astronauts on spacewalk during Hubble servicing

Space Shuttle Discovery liftoff

Space Shuttle Discovery sees Earth's Moon

Earth reflected in astronaut's visor

Advanced Camera for Surveys (ACS)

Space Shuttle Discovery Liftoff

Space Shuttle Discovery

Hubble, with Earth visible in background

Servicing Hubble in Space Shuttle Discovery's cargo bay

Astronauts working on Hubble's Fine Guidance Sensor

Astronaut using Hubble power tool

Artist's impression of Hubble servicing mission

Astronaut changing Hubble's Fine Guidance Sensor

Hubble's solar panels unfolding

Orion Nebula's Trapezium cluster

Eta Carinae, a star that exploded casts off debris

Eta Carinae debris

Cygnus Loop Nebula

NGC 6210, planetary nebula

NGC 2264, Cone Nebula

M2-9, Twin Jet Nebula, a butterfly nebula

NGC 6537, Red Spider Nebula

Horsehead Nebula

NGC 1952, Crab Nebula pulsar imaged by the NASA/ESA Hubble Space Telescope

NGC 6369, a cosmic ghost

Months after a gamma-ray burst, the afterglow fades away

Hubble Deep Field image shows many hundreds of never-before seen galaxies

Artist's impression of how the very early Universe might have looked

Spiral Galaxy Messier 100

Cartwheel Galaxy, in the Sculptor constellation

Spiral Galaxy, with older more coloured stars in the central region

Galaxy collision in NGC 6745

NGC 5194, heart of the Whirlpool Galaxy

UGC 10214, Tadpole Galaxy

Hoag's Object, an unusual galaxy

Artist's impression of the birth of our Galaxy

Sagittarius constellation

When galaxies collide, as shown by Antennae galaxies

Orion Nebula's Trapezium cluster

Life cycle of stars

NGC 1850, Double cluster

Ghostly reflections in the Pleiades

Star clusters born in the wreckage of cosmic collisions

Comet Hale-Bopp

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