Current Nebula News and Events | Page 13

Current Nebula News and Events, Nebula News Articles.
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Chandra links pulsar to historic supernova
New evidence from NASA's Chandra X-ray Observatory suggests that a known pulsar is the present-day counterpart to a supernova that exploded in 386 AD, a stellar explosion witnessed by Chinese astronomers. If confirmed, this will be only the second known pulsar to be clearly associated with a historic event. (2001-01-09)

Chandra reveals the X-ray glint in the Cat's Eye
Scientists have discovered a glowing bubble of hot gas and an unexpected X-ray bright central star within the planetary nebula known as the Cat's Eye using NASA's Chandra X-ray Observatory. The new results, presented today at the American Astronomical Society meeting, provide insight into the ways that stars like our Sun end their lives. (2001-01-07)

'X' marks the spot: Hubble sees the glow of star formation in a neighbor galaxy
The saying (2001-01-03)

Students using NASA and NSF data make stellar discovery; win science team competition
Three high school students, using data from NASA's Chandra X- ray Observatory and the National Science Foundation's Very Large Array (VLA), today won first place in the Siemens- Westinghouse Science and Technology Competition in Washington, DC. The team award was based on their discovery of the first evidence of a neutron star in the nearby supernova remnant IC443. (2000-12-10)

Meteorite may be primitive solar system material, say Science authors
A Canadian meteorite may represent some of the most primitive solar system material yet studied.The unique preservation of the meteorite, known as Tagish Lake, may also give scientists a glimpse of the types of organic compounds that could have been the building blocks of life on Earth. (2000-10-12)

One year later: Chandra 'changes way we look at the universe'
NASA's Chandra X-ray observatory marks first year in orbit with an impressive list of astronomy 'firsts.' (2000-08-21)

Chandra X-ray images continue to 'wow' astronomers
With the release of new images captured by NASA's Chandra X- ray Observatory showing a luminous spike of X-rays from a giant black hole, a compact nebular resembling a gigantic cosmic crossbow, and a (2000-06-05)

NEAR shows Eros is relic of solar system birth
The NEAR spacecraft orbiting the asteroid has revealed the chemical composition of the asteroid Eros. The data indicate, according to Cornell astronomy professor Steven Squyres, that Eros is a primitive relic of the emergence of the solar system from a cloud of gas and dust. (2000-05-29)

Astronomers find nebula appears larger than it is
The well-known, luminous cloud of gas in our galaxy called the Rosette Nebula is actually smaller than it appears, Virginia Tech astronomers announced Thursday, Jan. 13, at the American Astronomical Society meeting. (2000-01-16)

Chandra resolves X-ray glow into millions of objects
NASA's Chandra X-ray Observatory has resolved nearly a thousand faint X-ray-emitting stars in a single observation of young stars in the Orion Nebula. The discovery is the richest field of X-ray sources ever obtained in the history of X-ray astronomy. (2000-01-13)

Jupiter's atmosphere gives clues on how solar system started
A new analysis of data collected by the Galileo spacecraft's suicide plunge into Jupiter's roiling atmosphere has stamped a huge question mark over the prevailing models of how our solar system formed. The finding has been put forward by an international team of scientists. (1999-11-16)

Williams professor wins grant to study planetary nebulae
Karen Kwitter, Ebenezer Fitch Professor of Astronomy at Williams College, has been awarded a $237,843 three-year grant from the National Science Foundation. The award will fund research in (1999-10-14)

New Chandra X-ray Observatory images reveal 'shocking' details of mysterious superstar's activity
New images of the superstar Eta Carinae by NASA's Chandra X- ray Observatory reveal a surprising hot inner core -- creating more questions than answers for astronomers. (1999-10-08)

Chandra takes X-ray image of repeat offender
NASA's Chandra X-ray Observatory has imaged Eta Carinae, the Milky Way's most luminous star. This exploding star, which also has been imaged by the Hubble Space Telescope, is huffing and puffing its way to eventual self-destruction. (1999-10-08)

Chandra image shows a powerful connection in the Crab Nebula
Another fabulous discovery from Chandra X-ray Observatory shows a bright ring of fire around the pulsar at the heart of the Crab Nebula. Scientists believe this is a link between the Crab's powerhouse and its light show. (1999-09-29)

New type of proto-planetary nebula hints at stellar superwind
The discovery of a new type of low-surface-brightness reflection nebula around aging stars has provided important clues about how stars lose mass and form planetary nebulae, say University of Illinois researchers. (1999-09-07)

Single Hubble picture captures key phases in the stellar life cycle
Like a collage of photographs showing a human being from infancy to old age, a striking new picture unveiled today by a University of Washington astronomer shows various stages in the life cycle of stars, all occurring at one time. (1999-06-01)

Next Stop: The Stars
The Chandra X-ray Observatory moved one step closer to launch this week after being installed in a clean room for final tests and other work at the Kennedy Space Center. (1999-02-12)

Knots Of Evaporating Gas In Supernova Remnant Support Theory
The expanding shock wave of a supernova remnant in the Large Magellanic Cloud has provided strong evidence to support a popular model of the interstellar medium, says a University of Illinois astronomer who directed an international team studying the object. (1999-02-04)

"Missing" Pulsars Within Exploded Stars Identified By Columbia, Caltech Astronomers
Although astronomers predict that supernova remnants should hold rapidly-spinning radio pulsars, few such stars have been observed. Columbia and Caltech astronomers propose an explanation: The expected pulsars do exist, but they are slowly spinning neutron stars invisible to radio probes and have enormous magnetic fields -- so-called (1999-01-07)

Trail Of Dying Green Stars Leads To Millions Of Stars Hiding In Galaxy Clusters
Early results from the largest new survey of dying stars in the Virgo Cluster reveal the existence of large numbers of stars in areas of space that previously appeared to be empty. The discovery, which uses dying stars known as planetary nebulae as tools for probing the universe, indicates that at least 22 percent of Virgo's light is coming from previously unknown stars that populate the space between the cluster's galaxies. (1999-01-07)

NYU Physicist Helps Produce 3-D "Globe" Of Helix Nebula
NYU physicist Patrick Huggins and a team of astronomers have developed a 3-D globe-like image of the Helix nebula. This image allows the team to inspect the Nebula from all sides: front, back, sides, top and bottom. Based on this inspection, they have proposed a new explanation for the nebula's characteristic shape. (1999-01-06)

Gamma-Ray Bursts: Spindown Of Cosmic Flywheels
A conclusive explanation for the origin of Gamma-Ray Bursts (GRB) as electromagnetic braking of a rapidly rotating neutron star has been developed at the Max Planck Institute for Astrophysics in Garching/Germany (Astronomy & Astrophysics, Vol. 341, Issue 1, L1 - L4). (1998-12-03)

A New Planet Is Born?
Astronomers believe the Hubble Space Telescope may be witnessing the birth of new planets. Observations by the telescope reveal dust coalescing in discs around stars in Orion, which could be a critical early stage in planet formation. (1998-10-21)

Cosmic Flasher Reveals All
Astronomers have found evidence for the most powerful magnetic field ever seen in the universe. They found it by observing a long-sought, short-lived (1998-09-25)

Tracking Pulsars By Their Twinkle
Radio astronomers have found a way to use the twinkling of stars to measure the velocity and distance of speeding neutron stars called pulsars that have escaped from the galaxy. The method combines computer modeling with two of the world's largest radio telescopes, the Very Long Baseline Array and the Arecibo Observatory. (1998-06-09)

Giant SHRIMP Poised To Target Big Questions With Tiny Ion Beam
A brand new $2.5 million, 12-ton instrument called the SHRIMP arrived at Stanford this past April and is poised to answer fundamental questions about the origins of Earth and solar system. The SHRIMP is a Sensitive High Resolution Ion MicroProbe, arguably the most coveted instrument of its type in the world. (1998-06-03)

Stingray In The Sky Sparks New Theory
Australian astronomers have put forward a new theory to explain a weird stingray shaped remnant of a giant exploded star or supernova. (1998-05-07)

A Cloud Of Water In Interstellar Space
A team of U.S. astronomers, led by Cornell University astrophysicist Martin Harwit, has discovered a massive concentration of water vapor within a cloud of insterstellar gas close to the Orion nebula. The amount of water measured is so high -- enough to fill the Earth's oceans 60 times a day -- that the researchers believe it provides an important clue to the origin of water in the solar system. (1998-04-09)

Scientist Finds 2-In-1 Burster; Newly-Discovered Pulsar Goes Off Twice Each Orbit
Scientists have found a new puzzle in the sky, an X-ray pulsar that appears to be in a lopsided orbit that makes it burst twice every (1998-03-25)

Things That Go Bump In The Night - NASA Team Finds That Pulsars Get Wound Up - And Down
Previous observations have shown pulsars accreting matter from nearby stars appear to slow their spin rates gradually. New data show accreting pulsars' spins speed up and slow down at irregular intervals. (1998-01-21)

Gamma-Ray Burst Identification Earns Top Prize
Dr. Jan van Paradijs of the University of Alabama in Huntsville and The University of Amsterdam last week shared in the Bruno Rossi prize awarded annually by the American Astronomical Society (1998-01-12)

Columbia, Cerro Tololo Team Decodes Events That Led To Brightest Supernova In 400 Years
Astronomers from Columbia University and the Cerro Tololo Inter-American Observatory have measured events that will help scientists discover what led to the brilliant explosion of Supernova 1987A, the brightest supernova observed in nearly four centuries. They determined the velocity of gases ejected during an early phase of supernova formation. (1998-01-08)

New Images Of Fliers, Mysterious Cosmic Spouts
Astronomers have released the clearest Hubble Space Telescope images yet of zesty and mysterious cosmic spouts - known as FLIERs -- emanating from distant objects that once were stars like our sun. (1997-12-17)

HST Image, New Results Highlight First Day Of 4th Huntsville Gamma Ray Burst Symposium
September 4 HST observations of a February gamma-ray burst location - putting to bed the question of where these bursts are coming from - highlights the first day's science results at the 4th Huntsville Gamma Ray Burst Symposium in Huntsville Alabama, sponsored in part by NASA's Marshall Space Flight Center (1997-09-17)

Comet Hale-Bopp Yields Secrets In The Infrared, Cornell-NASA Investigators Say
Using a combination infrared spectrometer and camera designed and built by Cornell University researchers and attached to the 200-inch telescope at Palomar Observatory, Cornell and NASA scientists have made ground-based measurements in an effort to learn what kind of stuff Comet Hale-Bopp is sloughing off as it approaches perihelion, to learn more about the makeup of the celestial visitor and, perhaps, the origins of the solar system (1997-03-27)

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