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Istituto italiano di astrofisica - national institute for astrophisics

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You are here: Home INAF News Hydrogen on Vesta hints at water

Hydrogen on Vesta hints at water

The giant asteroid Vesta is surprisingly rich in one watery ingredient, hydrogen.
Hydrogen on Vesta hints at water

Credits: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA/JHUAPL

The giant asteroid Vesta is surprisingly rich in one watery ingredient, hydrogen. Vesta is the first destination achieved by NASA's mission Dawn. The discovery combined with its oddly pitted terrain, suggests that water arrived on young planets during an intense round of meteor impacts. Vesta was thought to be dry, but surprisingly Dawn's spectral maps show hydrogen in regolith, near the asteroid's equator.

Read the complete story (Italian)

http://www.media.inaf.it/2012/09/20/quanto-idrogeno-su-vesta/

FIRST IMAGE OF A REGION OF THE MILKY WAY FROM THE PEGASUS SURVEY

Jan 16, 2023

FIRST IMAGE OF A REGION OF THE MILKY WAY FROM THE PEGASUS SURVEY Led by INAF and Macquarie University, a portion of our Galaxy has been imaged in great detail as part of the PEGASUS survey - a radio astronomy project designed to discover more about the Milky Way

Studying the birth of exoplanets with chemistry

Sep 23, 2022

Studying the birth of exoplanets with chemistry A new study led by Elenia Pacetti, PhD student at La Sapienza University and INAF, jointly uses ultra-volatile, volatile, and refractory elements in the atmospheres of giant planets to develop a unified method to shed light on how and where giant planets form. The new work, published in The Astrophysical Journal, paves the road to the exoplanetary studies of the ESA mission Ariel