Research reveals more about TRAPPIST-1 planets, and the possibility of life
A series of four studies have shed new light on the properties of the TRAPPIST-1 planetary system, currently our most optimal hope for evidence of biological life beyond the Solar system.
View ArticlePuzzling finding raises new questions about atmospheric physics of giant planets
The hottest point on a gaseous planet near a distant star isn't where astrophysicists expected it to be - a discovery that challenges scientists' understanding of the many planets of this type found in...
View ArticleWhat stars will hatch from the Tarantula Nebula? NASA's flying observatory...
To have a full picture of the lives of massive stars, researchers need to study them in all stages – from when they're a mass of unformed gas and dust, to their often dynamic end-of-life explosions.
View ArticleA microlensing event seen from three positions in space
The path of a light beam will be bent by the presence of mass, an effect explained by General Relativity, and a massive body can therefore act like a lens - a so called "gravitational lens"– to distort...
View ArticleAstronomers create most detailed radio image of nearby dwarf galaxy
Astronomers at ANU have created the most detailed radio image of nearby dwarf galaxy, the Small Magellanic Cloud, revealing secrets of how it formed and how it is likely to evolve.
View ArticleLava or not, exoplanet 55 Cancri e likely to have atmosphere
Twice as big as Earth, the super-Earth 55 Cancri e was thought to have lava flows on its surface. The planet is so close to its star, the same side of the planet always faces the star, such that the...
View ArticleObservations of a comet's first passage through the solar system reveal...
Comets are our most direct link to the earliest stages of the formation and evolution of the solar system. Only every few years is a new comet discovered that is making its first trip to the inner...
View ArticleExtremely massive exoplanet discovered in the Milky Way's bulge
(Phys.org)—As a result of NASA's Spitzer Space Telescope observations of a microlensing event, astronomers have found an extremely massive alien world circling a star located in the Milky Way's bulge....
View ArticleGiant exoplanet hunters: Look for debris disks
There's no map showing all the billions of exoplanets hiding in our galaxy—they're so distant and faint compared to their stars, it's hard to find them. Now, astronomers hunting for new worlds have...
View ArticleThe scientific quest to explain Kepler's most enigmatic find
Some 1,500 light years from Earth, a mystery of stellar proportions is playing out. A singular star out there captured scientists' and the public's imagination in September 2015 with its strangely...
View ArticleNASA's Webb Telescope to witness galactic infancy
Scientists will use NASA's James Webb Space Telescope to study sections of the sky previously observed by NASA's Great Observatories, including the Hubble Space Telescope and the Spitzer Space...
View ArticleSearching for distant worlds with a flying telescope
Researchers from the University of Bern, using an observatory on board a jumbo jet, have observed how the extrasolar Planet GJ 1214b is passing in front of its star, causing a kind of mini-eclipse. The...
View ArticleScientists improve brown dwarf weather forecasts
Dim objects called brown dwarfs, less massive than the sun but more massive than Jupiter, have powerful winds and clouds–specifically, hot patchy clouds made of iron droplets and silicate dust....
View ArticleLarge asteroid to safely pass earth on September 1
Asteroid Florence, a large near-Earth asteroid, will pass safely by Earth on Sept. 1, 2017, at a distance of about 4.4 million miles, (7.0 million kilometers, or about 18 Earth-Moon distances)....
View ArticleTRAPPIST-1 is older than our solar system
If we want to know more about whether life could survive on a planet outside our solar system, it's important to know the age of its star. Young stars have frequent releases of high-energy radiation...
View ArticleY-type stars
Brown dwarf stars are failed stars. Their masses are so small, less than about eighty Jupiter-masses, that they lack the ability to heat up their interiors to the roughly ten million kelvin...
View ArticleThe art of exoplanets
The moon hanging in the night sky sent Robert Hurt's mind into deep space—to a region some 40 light years away, in fact, where seven Earth-sized planets crowded close to a dim, red sun.
View ArticlePrimitive atmosphere discovered around 'Warm Neptune'
A pioneering new study uncovering the 'primitive atmosphere' surrounding a distant world could provide a pivotal breakthrough in the search to how planets form and develop in far-flung galaxies.
View ArticleObservatories combine to crack open the Crab Nebula
Astronomers have produced a highly detailed image of the Crab Nebula, by combining data from telescopes spanning nearly the entire breadth of the electromagnetic spectrum, from radio waves seen by the...
View ArticleAstronomers confirm nearby star a good model of our early solar system
NASA's SOFIA aircraft, a 747 loaded with a 2.5-meter telescope in the back and stripped of most creature comforts in the front, took a big U-turn over the Pacific west of Mexico.
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