Prior to the arrival of the Dawn spacecraft, some Vestan surface features had already been resolved using the Hubble Space Telescope and ground-based telescopes (e.g. the Keck Observatory).
The arrival of Dawn in July 2011 revealed the complex surface of Vesta in detail.
Prior to the arrival of the Dawn spacecraft, some Vestan surface features had already been resolved using the Hubble Space Telescope and ground-based telescopes (e.g. the Keck Observatory). The arrival of Dawn in July 2011 revealed the complex surface of Vesta in detail.
4 Vesta