#1078 Solar Flares Cause Sun Quakes June 01, 1998“An 11th magnitude quake has been recorded on the Sun, immediately following a moderate solar flare. The quake was the first ever recorded on the Sun, but

#1069 7,000 Stars And The Milky Way May 23, 1998“This panorama view of the sky is really a drawing. It was made in the 1950s under the supervision of astronomer Knut Lundmark at the Lund Observatory in

#1060 Comet Stonehouse May 14, 1998“Comets move against a field of background stars. Their apparent motion is slow but carefull tracking reveals their orbits, allowing these visitors to the inner solar

#1051 Aurora at Midnight May 05, 1998“What's happening behind those trees? Aurora. This picture was taken at midnight near Fairbanks, Alaska, and captures familiar trees, common clouds, and a glowing sky

#1044 A Double Conjunction Eclipse April 28, 1998“The crescent Moon, Venus, and Jupiter all appeared together in the early morning hours of April 23rd. Some locations on Earth were able to witness a rare

#1036 Name This Satellite April 20, 1998“Can you name this satellite? In December, NASA's third Great Observatory is planned for launch. The two NASA Great Observatories currently in orbit are the Hubble

#1027 NGC 604: Giant Stellar Nursery April 11, 1998“Scattered within this cavernous nebula, cataloged as NGC 604, are over 200 newly formed hot, massive, stars. At 1,500 light-years across, this expansive

#1019 Hen-1357: New Born Nebula April 03, 1998“This Hubble Space Telescope picture shows Hen-1357, the youngest known planetary nebula. Graceful, gentle curves and symmetry suggest its popular name - The

#1010 Planetary Nebula NGC 7027 in Infrared March 25, 1998“NGC 7027 is one of the smallest known planetary nebulae. Even so, NGC 7027 is 14,000 times larger than the Earth-Sun distance. Planetary nebula

#1002 Clouds Over Tharsis on Mars March 17, 1998“When and where do clouds form on Mars? The Mars Global Surveyor spacecraft currently orbiting Mars is finding out. Photographs released last week showed

#993 Shuttle Engine Blast March 08, 1998“The Space Shuttle Discovery's orbital maneuvering system (OMS) engine firing produced this dramatic flare as it cruised "upside down" in low Earth orbit.

#983 A Southern Sky View February 26, 1998“From horizon to horizon, the night sky above Loomberah, New South Wales, Australia was photographed by astronomer Gordon Garradd on March 22, 1996. Garradd used

#975 M27: The Dumbbell Nebula February 18, 1998“The first hint of what will become of our Sun was discovered inadvertently in 1764. At that time, Charles Messier was compiling a list of "annoying"

#968 Ultra-Fast Pulsar February 11, 1998“Pulsars are rotating neutron stars, born in the violent crucibles of supernova explosions. Like cosmic lighthouses, beams of radiation from surface hotspots sweep

#959 A Triple Eclipse on Jupiter February 02, 1998“Part of Jupiter is missing. Actually, three parts appear to be missing. In reality though, the three dark spots seen in the above photograph are only

#952 Interplanetary Spacecraft Passes Earth January 26, 1998“Last Thursday an interplanetary spacecraft flew right past the Earth. The above images show sunlight momentarily reflected from this spacecraft's

#945 The Hubble 5 Planetary Nebula January 19, 1998“The Hubble Double Bubble Planetary Nebula is bubbling over with excitement. More mundanely known as Hubble 5, this bipolar planetary nebula is being

#938 The Keyhole Nebula January 12, 1998“The dark dusty Keyhole Nebula gets its name from its unusual shape. Officially designated NGC 3324, the Keyhole Nebula is a smaller region superposed on the larger

#929 The Barren Moon January 03, 1998“The above photo, taken as the Apollo 17 astronauts orbited the Moon in 1972, depicts the stark lunar surface around the Eratosthenes and Copernicus craters. Many similar

#922 Keck: The Largest Optical Telescopes December 27, 1997“In buildings eight stories tall rest mirrors ten meters across that are slowly allowing humanity to map the universe. Alone, each is the world's