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Hubble Space Telescope News
24 Jul 2014, 14:00 UTC
Astronomers using the NASA/ESA Hubble Space Telescope have mapped the mass within a galaxy cluster more precisely than ever before. Created using observations from Hubble's Frontier Fields observing programme, the map shows the amount and distribution of mass within MCS J0416.1–2403, a massive galaxy cluster found to be 160 trillion times the mass of the Sun. The detail in this mass map was made possible thanks to the unprecedented depth of data provided by new Hubble observations, and the cosmic phenomenon known as strong gravitational lensing.
Science Release: New mass map of a distant galaxy cluster is the most precise yet
24 Jul 2014, 14:00 UTC
Astronomers using the NASA/ESA Hubble Space Telescope have mapped the mass within a galaxy cluster more precisely than ever before. Created using observations from Hubble's Frontier Fields observing programme, the map shows the amount and distribution of mass within MCS J0416.1–2403, a massive galaxy cluster found to be 160 trillion times the mass of the Sun. The detail in this mass map was made possible thanks to the unprecedented depth of data provided by new Hubble observations, and the cosmic phenomenon known as strong gravitational lensing.
HubbleSite NewsCenter -- Latest News Releases
24 Jul 2014, 11:50 UTC
Get larger image formats Astronomers using the Hubble Space Telescope have gone looking for water vapor in the atmospheres of three planets orbiting stars similar to the Sun and have come up nearly dry. The planets spectroscopically surveyed have only one-tenth to one one-thousandth the amount of water predicted by standard planet-formation theories. The planets are not habitable because they are gaseous and are as big as Jupiter. They lie so much closer to their host star than Jupiter is to our Sun, so their atmospheres are seething between 1,500 and 4,000 degrees Fahrenheit. Nevertheless, this result suggests that some percentage of Earth-size exoplanets may be more deficient in water than predicted. And, water is a necessary prerequisite for life as we know it. The search for water-bearing terrestrial worlds may be more challenging than thought for future space telescopes. And, scientists may have to revisit their theories of planet formation.
Hubble Finds Three Surprisingly Dry Exoplanets
24 Jul 2014, 11:50 UTC
Get larger image formats Astronomers using the Hubble Space Telescope have gone looking for water vapor in the atmospheres of three planets orbiting stars similar to the Sun and have come up nearly dry. The planets spectroscopically surveyed have only one-tenth to one one-thousandth the amount of water predicted by standard planet-formation theories. The planets are not habitable because they are gaseous and are as big as Jupiter. They lie so much closer to their host star than Jupiter is to our Sun, so their atmospheres are seething between 1,500 and 4,000 degrees Fahrenheit. Nevertheless, this result suggests that some percentage of Earth-size exoplanets may be more deficient in water than predicted. And, water is a necessary prerequisite for life as we know it. The search for water-bearing terrestrial worlds may be more challenging than thought for future space telescopes. And, scientists may have to revisit their theories of planet formation.
NASA's Jet Propulsion Laboratory News and Features
23 Jul 2014, 22:27 UTC
Comet C/2013 UQ4 (Catalina) was originally thought to be an asteroid, but observations by NASA's NEOWISE spacecraft indicate that it's a comet.
NEOWISE Spots a Comet That Looked Like an Asteroid
23 Jul 2014, 22:27 UTC
Comet C/2013 UQ4 (Catalina) was originally thought to be an asteroid, but observations by NASA's NEOWISE spacecraft indicate that it's a comet.
NASA's Jet Propulsion Laboratory News and Features
23 Jul 2014, 21:14 UTC
NASA has issued a Request for Information (RFI) to investigate the possibility of using commercial Mars-orbiting satellites for telecommunications with future Mars missions.
NASA Seeks Proposals for Commercial Mars Data Relay Satellites
23 Jul 2014, 21:14 UTC
NASA has issued a Request for Information (RFI) to investigate the possibility of using commercial Mars-orbiting satellites for telecommunications with future Mars missions.
NASA's Jet Propulsion Laboratory News and Features
23 Jul 2014, 18:16 UTC
NASA's Kepler and Spitzer space telescopes have made the most precise measurement yet of the size of a planet beyond our solar system.
The Most Precise Measurement of an Alien World's Size
23 Jul 2014, 18:16 UTC
NASA's Kepler and Spitzer space telescopes have made the most precise measurement yet of the size of a planet beyond our solar system.
NASA's Jet Propulsion Laboratory News and Features
23 Jul 2014, 15:58 UTC
NASA's Voyager Project Scientist Ed Stone responds to an alternate model for the interaction between the heliosphere and the interstellar medium.
NASA Voyager Statement About Solar Wind Models
23 Jul 2014, 15:58 UTC
NASA's Voyager Project Scientist Ed Stone responds to an alternate model for the interaction between the heliosphere and the interstellar medium.
NASA's Goddard Space Flight Center
23 Jul 2014, 14:58 UTC
Missions can take years to get from concept to launch. If approved, an infrared telescope first proposed in the early 2000s could launch in the 2020s.
NASA Team Lays Plans to Observe New Worlds
23 Jul 2014, 14:58 UTC
Missions can take years to get from concept to launch. If approved, an infrared telescope first proposed in the early 2000s could launch in the 2020s.
NASA's Goddard Space Flight Center
23 Jul 2014, 14:50 UTC
NASA's James Webb and Chandra have something in common: a huge test chamber used to simulate the hazards of space and the distant glow of starlight.
Discover the "X-Factor" of NASA's Webb Telescope in "Behind the Webb" Video
23 Jul 2014, 14:50 UTC
NASA's James Webb and Chandra have something in common: a huge test chamber used to simulate the hazards of space and the distant glow of starlight.
Harvard-Smithsonian Center for Astrophysics
23 Jul 2014, 14:31 UTC
Humanity is on the threshold of being able to detect signs of alien life on other worlds. By studying exoplanet atmospheres, we can look for gases like oxygen and methane that only coexist if replenished by life.
A New Approach to SETI: Targeting Alien Polluters
23 Jul 2014, 14:31 UTC
Humanity is on the threshold of being able to detect signs of alien life on other worlds. By studying exoplanet atmospheres, we can look for gases like oxygen and methane that only coexist if replenished by life.
ESO Top News
23 Jul 2014, 10:00 UTC
In this striking new image from ESO’s La Silla Observatory in Chile young stars huddle together against a backdrop of clouds of glowing gas and lanes of dust. The star cluster, known as NGC 3293, would have been just a cloud of gas and dust itself about ten million years ago, but as stars began to form it became the bright group of stars we see here. Clusters like this are celestial laboratories that allow astronomers to learn more about how stars evolve.
Lives and Deaths of Sibling Stars
23 Jul 2014, 10:00 UTC
In this striking new image from ESO’s La Silla Observatory in Chile young stars huddle together against a backdrop of clouds of glowing gas and lanes of dust. The star cluster, known as NGC 3293, would have been just a cloud of gas and dust itself about ten million years ago, but as stars began to form it became the bright group of stars we see here. Clusters like this are celestial laboratories that allow astronomers to learn more about how stars evolve.
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Get larger image formats Astronomers using the Hubble Space Telescope have gone looking for water vapor in the atmospheres of three planets orbiting stars similar to the Sun and have ...
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- 21 Jul 2014
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17:29 UTC
Harvard-Smithsonian...
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Hubble:Hubble traces the halo of a galaxy more accurately...
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