Las observaciones en longitudes de onda milimétricas de polvo y guijarros en 74 sistemas estelares sugieren que las migraciones planetarias podrían ser más comunes de lo que pensábamos.
telescopes
Posted inNews
First 3D Map of Exoplanet Weather Reveals Superfast Jet
New observations also answer a long-standing question about where this ultrahot planet keeps its titanium.
Posted inNews
Dusty Belts Provide Clearer Insights into Exoplanet Formation
Millimeter-wavelength observations of dust and pebbles in 74 star systems hint that planetary migrations might be more common than we realized.
Posted inNews
Telescopes Catch the Aftermath of an Energetic Planetary Collision
A planetary collision 1,800 light-years away birthed a body that has cooled in unexpected ways.
Posted inNews
ALMA Watches the Surface of a Star “Boil”
Observations of R Doradus, a nearby red giant, provide the first timescale for convection on the surface of any star other than the Sun.
Posted inNews
Smells Like an Exoplanet
Hydrogen sulfide, spotted in the atmosphere of the exoplanet HD 189733 b, helps constrain how the planet formed.
Posted inFeatures
Saving the Planet with Radar Astronomy
Once the largest telescope in the world, Arecibo kept watch for dangerous asteroids using radar. With it gone, the world is preparing the next generation of radar observatories.
Posted inResearch Spotlights
Supersharp Images Reveal Scars of Major Eruption on Io
Jupiter’s volcanic moon is captured in exquisite detail by an instrument atop a mountain in Arizona.
Posted inResearch Spotlights
Out With the Old, in With the Cold
A 12-meter telescope at the Arecibo Observatory gets outfitted with a wideband cryogenic system to expand its capabilities.
Posted inResearch Spotlights
James Webb Space Telescope Captures Saturn’s Changing Seasons
Unprecedented images reveal how Saturn’s atmosphere is evolving as summertime winds down in its northern hemisphere.