Dawn probe reaches milestone approaching asteroid Vesta

(PhysOrg.com) -- NASA's Dawn spacecraft has reached its official approach phase to the asteroid Vesta and will begin using cameras for the first time to aid navigation for an expected July 16 orbital encounter. The large ...

Gullies on Vesta suggest past water-mobilized flows

(Phys.org)—Protoplanet Vesta, visited by NASA's Dawn spacecraft from 2011 to 2013, was once thought to be completely dry, incapable of retaining water because of the low temperatures and pressures at its surface. However, ...

Newborn gas planets may be surprisingly flat, says new research

A new planet starts its life in a rotating circle of gas and dust, a cradle known as a protostellar disk. My colleagues and I have used computer simulations to show that newborn gas planets in these disks are likely to have ...

Dawn captures first image of nearing asteroid

(PhysOrg.com) -- NASA's Dawn spacecraft has obtained its first image of the giant asteroid Vesta, which will help fine-tune navigation during its approach. Dawn is expected to achieve orbit around Vesta on July 16, when the ...

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