Related topics: hubble space telescope · nasa · orbit · spacecraft · asteroid

Where is the ice on Ceres?

At first glance, Ceres, the largest body in the main asteroid belt, may not look icy. Images from NASA's Dawn spacecraft have revealed a dark, heavily cratered world whose brightest area is made of highly reflective salts—not ...

Invest a night in Vesta

The brightest asteroid visible from Earth prowls across Cetus the Whale this month. Vesta shines at magnitude +6.3, right at the naked eye limit for observers with pristine skies, but easily coaxed into view with any pair ...

Vesta—Ceres' little sister

Only around 60 million kilometres closer to the Sun than Ceres, another large rock is orbiting in the remote asteroid belt: Vesta. Although its diameter of approximately 530 kilometres makes it a bit too small to be counted ...

Other asteroids contributed elusive olivine to Vesta

Olivine should be one of the most abundant minerals on asteroid Vesta, but it remains elusive. Scientists working on NASA's Dawn mission to Vesta were initially thrilled to find few scattered remains of this enigmatic mineral ...

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