1998 (continued)

• 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)