1999 (continued)

• 8/5/1999 STScI-1999-29 501. Hubble Views Ancient Storm in the Atmosphere of Jupiter When 17th-century astronomers first turned their telescopes to Jupiter, they noted a conspicuous reddish spot on the giant planet. (More)
• 7/15/1999 STScI-1999-28 502. Cosmic Collisions - European HST Scientists Catch Merging Galaxies in the Act Exciting Hubble telescope images of more than a dozen very distant colliding galaxies indicate that, at least in some cases, big massive... (More)
• 7/1/1999 STScI-1999-26 503. Hubble Images a Swarm of Ancient Stars This stellar swarm is M80 (NGC 6093), one of the densest of the 147 known globular star clusters in the Milky Way Galaxy. Located about 28,000 light-years... (More)
• 6/30/1999 STScI-1999-27 504. A Closer Encounter with Mars Taking advantage of Mars's closest approach to Earth in eight years, astronomers using the Hubble telescope have taken the space-based observatory's sharpest views yet of the Red Planet. (More)
• 6/10/1999 STScI-1999-23 505. A Butterfly-Shaped "Papillon" Nebula Yields Secrets of Massive Star Birth Here is a Hubble telescope view of a turbulent cauldron of star birth called N159, which is taking place 170,000 light-years away in our satellite galaxy... (More)
• 6/3/1999 STScI-1999-25 506. Magnificent Details in a Dusty Spiral Galaxy The Key Project team used this Hubble telescope view of the magnificent spiral galaxy, NGC 4414, to help calculate the expansion rate of the universe. (More)
• 6/2/1999 STScI-1999-21 507. Hubble Picture Adds to Planet-Making Recipe The Hubble telescope has snapped a nearly face-on view of a swirling disk of dust and gas surrounding a developing star called AB Aurigae. The image, taken in visible... (More)
• 6/1/1999 STScI-1999-20 508. Hubble Snapshot Captures Life Cycle of Stars In this stunning picture of the giant galactic nebula NGC 3603, the Hubble telescope's crisp resolution captures various stages... (More)
• 5/25/1999 STScI-1999-19 509. Hubble Completes Eight-Year Effort to Measure Expanding Universe The Hubble Space Telescope Key Project team today announced that it has completed efforts to measure precise distances to far-flung galaxies, an essential ingredient... (More)
• 5/19/1999 STScI-1999-22 510. Colossal Cyclone Swirls near Martian North Pole Astronomers using the Hubble telescope have discovered an enormous cyclonic storm system raging in the northern polar regions of the planet Mars. (More)
• 5/13/1999 STScI-1999-18 511. Natural Lenses in Space Stretch Hubble's View of the Universe A Hubble telescope survey of the sky has uncovered exotic patterns, rings, arcs, and crosses that are all mirages produced by a gravitational... (More)
• 5/6/1999 STScI-1999-16 512. Internet Voters Get Two Galaxies in One from Hubble Located about 130 million light-years away, NGC 4650A is one of only 100 known polar-ring galaxies. Their unusual disk-ring structure is not yet understood... (More)
• 4/20/1999 STScI-1999-13 513. Hubble Clicks Images of Io Sweeping across Jupiter While hunting for volcanic plumes on Io, the Hubble telescope captured these images of the volatile moon sweeping across the giant face of Jupiter. (More)
• 4/19/1999 STScI-1999-17 514. Maryland Science Center's "Space Place" Showcases Hubble Discoveries The Maryland Science Center's new Outer Space Place offers visitors a chance to explore the wonders of the universe as seen through the eyes of the Hubble telescope. (More)
• 4/16/1999 STScI-1999-14 515. Hubble Shoots the Moon In a change of venue from peering at the distant universe, the Hubble telescope has taken a look at Earth's closest neighbor in space, the Moon. Hubble was aimed at one of the Moon's most dramatic... (More)
• 4/1/1999 STScI-1999-12 516. Multiple Generations of Stars in the Tarantula Nebula In the most active starburst region in the local universe resides a cluster of brilliant, massive stars, known to astronomers as Hodge 301. ... (More)
• 3/29/1999 STScI-1999-11 517. Huge Spring Storms Rouse Uranus from Winter Hibernation If springtime on Earth were anything like it will be on Uranus, we would be experiencing waves of massive storms, each one covering the country... (More)
• 3/18/1999 STScI-1999-10 518. Hubble's Infrared Galaxy Gallery Astronomers have used the Hubble telescope to produce an infrared "photo essay" of spiral galaxies. By penetrating the dust clouds swirling around the centers of these galaxies, the telescope's... (More)
• 3/11/1999 STScI-1999-09 519. Hubble Views Home Galaxy of Record-Breaking Explosion Here are Hubble telescope views of the rapidly fading visible-light fireball from the most powerful cosmic explosion recorded to date. (More)
• 3/4/1999 STScI-1999-08 520. A Mote in Hubble's Eye The Hubble telescope image is a typical Milky Way star field in the constellation Centaurus. Such snapshots can be used to study the evolution of stars that make up our galaxy. (More)
• 2/25/1999 STScI-1999-07 521. Martian Colors Provide Clues about Martian Water Hubble telescope images of Mars detail a rich geologic history and provide further evidence for water-bearing minerals on the planet's surface. (More)
• 2/18/1999 STScI-1999-06 522. Hubble Finds More Evidence of Galactic Cannibalism This beautiful, eerie silhouette of dark dust clouds against the glowing nucleus of the elliptical galaxy NGC 1316 may represent the aftermath of a 100-million-year-old... (More)
• 2/9/1999 STScI-1999-05 523. Vast Stellar Disks Set Stage for Planet Birth in New Hubble Images Dramatic pictures of eerie disks of dust encircling young stars are giving astronomers a new look at what may be the early formative... (More)
• 2/4/1999 STScI-1999-04 524. SN1987A in the Large Magellanic Cloud Glittering stars and wisps of gas create a breathtaking backdrop for the self-destruction of a massive star, called supernova 1987A, in the Large Magellanic... (More)
• 1/8/1999 STScI-1999-03 525. Hubble Views of Dust Disks and Rings Surrounding Young Stars Yield Clues NASA's Hubble Space Telescope has given astronomers their first views of a dust ring around the star HR 4796A and a dark gap dividing... (More)
• 1/7/1999 STScI-1999-02 526. Combined Deep View of Infrared and Visible Light Galaxies This narrow, deep view of the universe reveals a plethora of faint galaxies, as seen in visible and infrared light by the Hubble telescope. ... (More)
• 1/6/1999 STScI-1999-01 527. Looking Down a Barrel of Gas at a Doomed Star Astronomers using the Hubble telescope have obtained the sharpest view yet of a glowing loop of gas called the Ring Nebula (M57), first cataloged... (More)

1998

• 12/10/1998 STScI-1998-43 528. Extraterrestrial Civilizations: Coming of Age in the Milky Way If civilizations exist around other stars they are likely to be just emerging across our Galaxy right now: like an apple orchard suddenly maturing and ripening... (More)
• 12/3/1998 STScI-1998-42 529. Behind a Dusty Veil Lies a Cradle of Star Birth NGC 253 is a large, almost edge-on spiral galaxy, and is one of the nearest galaxies beyond our local neighborhood of galaxies. ... (More)
• 11/23/1998 STScI-1998-41 530. The Universe "Down Under" is the Latest Target for Hubble's Latest Deep-View Turning its penetrating vision toward southern skies, the Hubble telescope has peered down a 12- billion-light-year-long corridor... (More)
• 11/10/1998 STScI-1998-40 531. Leonid Meteor Storm Won't Deter Hubble from Space Observations The anticipated celestial bombardment called the Leonid meteor storm on the afternoon of November 17th, 1998 won't deter the Hubble telescope... (More)
• 11/5/1998 STScI-1998-39 532. A Glowing Pool of Light NGC 3132 is a striking example of a planetary nebula. This expanding cloud of gas surrounding a dying star is known to amateur astronomers in the Southern Hemisphere as the "Eight-Burst"... (More)
• 11/5/1998 STScI-1998-38 533. Great Balls of Fire! Hubble Sees Bright Knots Ejected From Brilliant Star Resembling an aerial fireworks explosion, this dramatic Hubble telescope picture of the energetic star WR124 reveals that it is surrounded... (More)
• 10/26/1998 STScI-1998-37 534. New Research That Uses Gravitationally Lensed Quasars to Measure Universe is Good News, Bad News for Cosmologists Astronomers who are using the Hubble telescope to observe the gravitational lensing of light from distant... (More)
• 10/22/1998 STScI-1998-36 535. Turtle in Space Describes New Hubble Image The Hubble telescope has shown us that the shrouds of gas surrounding dying, Sun-like stars (called planetary nebulae) come in a variety of strange shapes, from an "hourglass"... (More)
• 10/21/1998 STScI-1998-28 536. Astronomers Unveil Colorful Hubble Photo Gallery A vibrant celestial photo album of some of NASA Hubble Space Telescope's most stunning views of the universe is being unveiled today on the Internet. Called the Hubble Heritage... (More)
• 10/14/1998 STScI-1998-34 537. Hubble Provides a Moving Look at Neptune's Stormy Disposition Using powerful ground- and space-based telescopes, scientists have obtained a moving look at some of the wildest, weirdest weather in the solar system. ... (More)
• 10/14/1998 STScI-1998-35 538. Hubble Finds Many Bright Clouds on Uranus A Hubble telescope infrared view of Uranus reveals that the planet is surrounded by its four major rings and by 10 of its 17 known satellites. ... (More)
• 10/9/1998 STScI-1998-33 539. Second Hubble Web Simulcast Takes Listeners on a Tour of the Cosmos The popular National Public Radio program "The Marc Steiner Show" (WJHU, FM 88.1) and the Space Telescope Science Institute in Baltimore... (More)
• 10/8/1998 STScI-1998-32 540. Hubble Goes to the Limit In Search Of Farthest Galaxies Stretching the Hubble telescope's vision farther across space and further back into time than ever before, astronomers have peered into a previously... (More)
• 8/27/1998 STScI-1998-27 541. Far-Flung Galaxy Clusters May Reveal Fate of Universe A survey of galaxy clusters by the Hubble telescope has found what could be some of the most distant clusters ever seen. If ground-based telescopes confirm the distances... (More)
• 8/19/1998 STScI-1998-26 542. Distant Heavyweight Galaxy Cluster Clobbers Dense-Universe Theory A Space Telescope Science Institute astronomer has found the equivalent of the proverbial 900-pound gorilla in deep space. The "gorilla" is an extremely massive cluster... (More)
• 7/23/1998 STScI-1998-25 543. Nearby Massive Star Cluster Yields Insights into Early Universe The Hubble telescope has taken a "family portrait" of young, ultra-bright stars nested in their embryonic cloud of glowing gases. The celestial maternity... (More)
• 7/1/1998 STScI-1998-24 544. Hubble Simulcast Links Outer Space to Cyberspace Expanding its broadcast universe far beyond the Baltimore area and into cyberspace, the popular WJHU radio program "The Marc Steiner... (More)
• 6/24/1998 STScI-1998-23 545. Hubble Space Telescope Helps Find Evidence that Neptune's Largest Moon Is Warming Up Observations obtained by the Hubble telescope and ground-based instruments reveal that Neptune's largest moon, Triton... (More)
• 6/18/1998 STScI-1998-22 546. Hubble Uncovers Dust Disk around a Massive Black Hole Resembling a gigantic hubcap in space, a 3,700-light-year-wide dust disk encircles a 300-million- solar-mass black hole in the center of the elliptical... (More)
• 6/11/1998 STScI-1998-21 547. A Bright Ring of Star Birth around a Galaxy's Core This Hubble telescope snapshot reveals clusters of infant stars that formed in a ring around the core of the barred-spiral galaxy NGC 4314. This stellar... (More)
• 6/8/1998 STScI-1998-20 548. NASA Selects Home for Next Generation Space Telescope The duties of the Space Telescope Science Institute in Baltimore, Md., will be expanded to include the management of science operations for the Next Generation... (More)
• 5/28/1998 STScI-1998-19 549. Hubble Takes First Image of a Possible Planet around Another Star and Finds a Runaway World The Hubble telescope has given astronomers their first direct look at what is possibly a planet outside... (More)
• 5/14/1998 STScI-1998-14 550. Hubble Provides Multiple Views of How to Feed a Black Hole Astronomers have obtained an unprecedented look at the nearest example of galactic cannibalism — a massive... (More)
• 5/6/1998 STScI-1998-17 551. Gamma-Ray Burst Found to be Most Energetic Event in Universe A team of astronomers has announced that a recently detected gamma-ray burst was as bright as the rest of the universe, releasing a hundred... (More)
• 4/23/1998 STScI-1998-18 552. Hubble Space Telescope Completes Eighth Year Of Exploration In honor of NASA Hubble Space Telescope's eighth anniversary, we have gift-wrapped Saturn in vivid colors. Actually, this image is courtesy of Hubble's infrared camera... (More)
• 4/9/1998 STScI-1998-16 553. Hubble Finds That Even Massive Stars Just Fade Away Pinpointing the rapidly fading ember of a recently burned-out star, the Hubble telescope is giving astronomers a better estimate... (More)
• 4/1/1998 STScI-1998-15 554. Hubble Reveals Details of a Newly Born Planetary Nebula Astronomers have caught a peek at a rare moment in the final stages of a star's life: a ballooning shroud of gas cast off by a dying star flicking on its stellar... (More)
• 3/27/1998 STScI-1998-13 555. Comet Hyakutake The Hubble telescope has probed the inner regions of Comet Hyakutake. This picture captures sunlight scattered by dust particles in the comet's inner coma. ... (More)
• 3/22/1998 STScI-1998-12 556. Hubble Captures the Heart of Star Birth The Hubble telescope has captured a flurry of star birth near the heart of the barred spiral galaxy NGC 1808. (More)
• 3/19/1998 STScI-1998-11 557. Hubble Captures the Shrouds of Dying Stars The Hubble telescope continues to capture stunning, colorful snapshots of stellar burnout. These images reveal the beauty and complexity of planetary nebulae, the glowing... (More)
• 3/9/1998 STScI-1998-10 558. Astronomers Track Down Asteroids in Hubble Archive Astronomers have stumbled on an unusual asteroid hunting ground: the thousands of Hubble telescope images stored in the orbiting observatory's archive. ... (More)
• 2/10/1998 STScI-1998-08 559. Shock Wave Sheds New Light on Fading Supernova The Hubble telescope is giving astronomers a ringside seat to a never-before-seen titanic collision of an onrushing stellar shock wave with an eerie glowing... (More)
• 1/27/1998 STScI-1998-09 560. Space Telescope Science Institute Gets New Director An agreement has been reached in principle to appoint Dr. Steven V. W. Beckwith director of the Space Telescope Science Institute (STScI), in Baltimore. The agreement... (More)
• 1/9/1998 STScI-1998-01 561. Astronomers Discover an Infrared Background Glow in the Universe Astronomers have assembled the first definitive detection of a background infrared glow across the sky produced by dust warmed by all the stars that have existed... (More)
• 1/9/1998 STScI-1998-07 562. A New Class of X-ray Star? Teaming up space telescopes to make simultaneous ultraviolet and X-ray observations, astronomers may have solved a 20-year-old mystery and possibly discovered... (More)
• 1/8/1998 STScI-1998-02 563. Hubble Pinpoints Distant Supernovae Peering halfway across the universe to analyze light from exploded stars that died long before our Sun even existed, the Hubble telescope has allowed astronomers to determine that the expansion... (More)
• 1/7/1998 STScI-1998-03 564. Astronomers Have Found a New Twist in a Suspected Proto-Planetary Disk A telltale new warp uncovered in a vast, thin disk of dust encircling the star Beta Pictoris may be caused by the gravitational tug of a bypassing... (More)
• 1/7/1998 STScI-1998-04 565. Hubble Provide Complete View of Jupiter's Auroras The Hubble telescope has captured a complete view of Jupiter's northern and southern auroras. Images taken in ultraviolet light show both auroras, the oval-shaped objects... (More)
• 1/7/1998 STScI-1998-05 566. Hubble Provides Clear Images of Saturn's Aurora Here is the picture of Saturn taken by the Hubble telescope in ultraviolet light. The glowing, swirling material at Saturn's poles is its auroral "curtains,"... (More)
• 1/7/1998 STScI-1998-06 567. Hubble Finds Most of Visible Light in the Universe A closer look at the Hubble telescope's most detailed image, the Hubble Deep Field, reveals that the faint galaxies seen by Hubble could account... (More)

1997

• 12/17/1997 STScI-1997-38 568. Hubble Witnesses the Final Blaze of Glory of Sun-Like Stars The end of a Sun-like star's life was once thought to be simple: the star gracefully casts off a shell of glowing gas and then settles into a long retirement... (More)
• 12/4/1997 STScI-1997-39 569. One Star's Loss is Another's Gain: Hubble Captures Brief Moment in Life of Lively Duo Some stars in double-star systems have found a quick way to lose weight by dumping... (More)
• 11/20/1997 STScI-1997-36 570. Hubble Watches Uranus Using the Hubble telescope's visible-light camera, astronomers for the first time this century have detected clouds in the Northern Hemisphere of Uranus. The snapshots show banded structure... (More)
• 11/20/1997 STScI-1997-37 571. Hubble Provides Infrared View of Moon, Ring, and Clouds Probing Jupiter's atmosphere for the first time, the Hubble telescope's infrared camera is providing a sharp glimpse of the planet's ring, moon, and high-altitude... (More)
• 10/29/1997 STScI-1997-35 572. Hubble Catches Up with a Blue Straggler Star Astronomers have long been mystified by observations of a few hot, bright, apparently young stars residing in well-established communities where most of their neighbors... (More)
• 10/21/1997 STScI-1997-34 573. Hubble Reveals Stellar Fireworks Accompanying Galaxy Collisions The Hubble telescope has uncovered over 1,000 bright; young star clusters bursting to life in a brief, intense, brilliant "fireworks show" at the heart of a pair of colliding... (More)
• 10/8/1997 STScI-1997-33 574. Hubble Identifies What May Be the Most Luminous Star Known Astronomers using the Hubble telescope have identified what may be the most luminous star known ? a celestial mammoth that releases up to 10 million... (More)
• 9/24/1997 STScI-1997-32 575. Hubble Sees a Neutron Star Alone in Space Astronomers using the Hubble telescope have taken their first direct look in visible light at a lone neutron star. This view offers a unique opportunity to pinpoint... (More)
• 9/18/1997 STScI-1997-29 576. Blobs in Space: The Legacy of a Nova Nova eruptions by dying stars were thought to be simple, predictable acts of violence. Astronomers could point a telescope at the most recently exploded... (More)
• 9/17/1997 STScI-1997-31 577. Hubble Watches the Red Planet as Mars Global Surveyor Begins Aerobraking This Hubble telescope picture of Mars was taken Sept. 12, 1997, one day after the arrival of the Mars Global Surveyor (MGS) spacecraft... (More)
• 9/16/1997 STScI-1997-30 578. Hubble Stays on Trail of Fading Gamma-Ray Burst Fireball, Results Point to Extragalactic Origin Hubble telescope observations of the ever-fading fireball from one of the universe's most mysterious phenomena ? a gamma-ray... (More)
• 9/10/1997 STScI-1997-28 579. Hubble Finds a Bare Black Hole Pouring Out Light Probing the heart of the active galaxy NGC 6251, the Hubble telescope has provided a never-before-seen view of a warped disk or ring of dust caught in a blazing... (More)
• 9/4/1997 STScI-1997-27 580. Hubble Reveals Huge Crater on the Surface of the Asteroid Vesta Astronomers have used the Hubble Space telescope to discover a giant impact crater on the asteroid Vesta. (More)
• 8/6/1997 STScI-1997-26 581. Hubble Separates Stars in the Mira Binary System Although the giant star Mira has been known for about 400 years, astronomers have had to wait for the Hubble telescope to provide the first ultraviolet-light... (More)
• 7/30/1997 STScI-1997-25 582. World's Most Powerful Telescopes Team Up With a Lens in Nature to Discover Farthest Galaxy in the Universe An international team of astronomers has discovered the most distant galaxy in the universe... (More)
• 7/15/1997 STScI-1997-24 583. Hubble Sees Rapid Weather Changes On Mars, New Dust Activity Astronomers using the Hubble telescope to track weather on Mars and how it might affect the Pathfinder landing... (More)
• 7/1/1997 STScI-1997-23 584. Hubble's Look At Mars Shows Canyon Dust Storm, Cloudy Conditions For Pathfinder Landing Hubble telescope pictures of Mars, taken June 27, 1997 in preparation for the July 4 landing of the Pathfinder spacecraft... (More)
• 6/19/1997 STScI-1997-21 585. Hubble Captures Volcanic Eruption Plume From Io The Hubble telescope has snapped a picture of a 400-kilometer-high (250-mile-high) plume of gas and dust from a volcanic eruption on Io, Jupiter's large, innermost moon. (More)
• 6/10/1997 STScI-1997-20 586. Gamma-Ray Bursts Common To Normal Galaxies? Hubble Data Offer New Clues and Puzzles Nature's most powerful explosions, gamma-ray bursts, occur among the normal stellar population inside galaxies scattered... (More)
• 6/10/1997 STScI-1997-22 587. Mysterious Fireball From A Cataclysmic Explosion The visible fireball from a titanic explosion in deep space, called a gamma-ray burst, blazes in the center of this image, taken with the Hubble telescope's imaging spectrograph. (More)
• 6/9/1997 STScI-1997-16 588. Hubble Snaps "Family Portrait" The Hubble telescope's infrared camera has peered into the Cone Nebula, revealing a stunning picture of six babies, Sun-like stars surrounding their mother, a bright, massive star. (More)
• 6/9/1997 STScI-1997-17 589. A Collision In The Heart Of A Galaxy The Hubble telescope's infrared camera has uncovered a collision between two spiral galaxies in the heart of the peculiar galaxy called Arp 220. The collision... (More)
• 6/9/1997 STScI-1997-18 590. Fireworks Near a Black Hole in the Core of Seyfert Galaxy NGC 4151 The Hubble telescope's imaging spectrograph simultaneously records, in unprecedented detail, the velocities of hundreds of gas knots streaming... (More)
• 6/9/1997 STScI-1997-19 591. Hubble Reveals Invisible High-Speed Collision around Supernova 1987A The highest velocity material expelled in a cataclysmic, stellar explosion 10 years ago has been detected for the first time by the Hubble telescope's imaging spectrograph. (More)
• 5/20/1997 STScI-1997-15 592. Hubble Finds Cloudy, Cold Weather Conditions for Mars-Bound Spacecraft As two NASA spacecraft speed toward a mid-year rendezvous with Mars, astronomers using the Hubble telescope are providing updated planetary weather reports... (More)
• 5/12/1997 STScI-1997-11 593. Hubble Peers into Heart of Dying Star The Egg Nebula, also known as CRL 2688, is shown on the left as it appears in visible light and on the right as it looks in infrared light. Both Hubble views recount... (More)
• 5/12/1997 STScI-1997-12 594. Hubble Records a Black Hole's Signature The colorful "zigzag" on the right is not the work of a flamboyant artist, but the signature of a super-massive black hole in the center of galaxy M84, discovered... (More)
• 5/12/1997 STScI-1997-13 595. Hubble Captures the Heart of the Orion Nebula The Hubble telescope's infrared vision is providing a dramatic new look at the beautiful Orion Nebula, which contains the nearest nursery for massive stars. ... (More)
• 5/12/1997 STScI-1997-14 596. Hubble Chemically Analyzes the Ring around Supernova 1987A These pictures from the Hubble telescope's imaging spectrograph provide a new and unprecedented look at one of the most unique and complex structures in the universe... (More)
• 4/1/1997 STScI-1997-10 597. Hubble Tracks the Fading Optical Counterpart of a Gamma-Ray Burst The Hubble telescope has made an important contribution toward solving one of astronomy's greatest enigmas by allowing astronomers to continue watching... (More)
• 3/27/1997 STScI-1997-08 598. Hale-Bopp Observations with Hubble and IUE Surprise Astronomers Completing an unprecedented yearlong study of Comet Hale-Bopp with two NASA observatories, including the Hubble telescope, astronomers report that they are surprised... (More)
• 3/20/1997 STScI-1997-09 599. Hubble's Sharpest View of Mars The recently refurbished Hubble telescope obtained the sharpest view of Mars ever taken from Earth. This stunning portrait was taken with March 10... (More)
• 3/19/1997 STScI-1997-06 600. 1997 Hubble Fellows to Study HST Discoveries The Space Telescope Science Institute (STScI) has selected fifteen young scientists for the 1997 Hubble Postdoctoral Fellowship Program. The awardees were selected... (More)