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Astronomers using NASA's 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 number of exoplanets discovered by astronomers since the beginning of the Space Age some five decades ago suggests there are possibly over 100 billion such worlds outside our solar system, according to one Caltech astronomer involved with NASA’s Kepler mission.
Astronomers using NASA's Chandra observatory were able to witness an eclipsing planet for the first time.
Using imagery from the Hubble Space Telescope, astronomers have determined that a planet orbiting a star close to our solar system has a deep azure blue color when seen from space, much like Earth.
Scientists working with NASA’s Spitzer Space Telescope have found that exoplanets known as hot Jupiters are not all alike and appear to have a wide range of climates.
Astronomers have detected a new exoplanet 33 light-years away that is two-thirds the size of Earth, making it the nearest known world to our solar system that is smaller than our home planet.
Astronomers have observed one planet in another solar system, similar to Jupiter, giving off a powerful burst of evaporation after passing by its parent star.
- Small missiles, especially grape, canister, fragments of iron, and the like, when fired, as upon an enemy at close quarters.
- To fire mitraille at.