ALBUFEIRA

Today (the 18), the Lunar Reconnaissance Orbiter (LRO) celebrates its fifth anniversary in space. LRO launched from Florida on June 18, 2009. After a four-day journey, the orbiter successfully entered lunar orbit on June 23.

The Moon – Tycho Complex

Tycho crater's central peak complex, shown here, is about 9.3 miles (15 km) wide, left to right (southeast to northwest in this view). A very popular target with amateur astronomers, Tycho is about 51 miles (82 km) in diameter. The central peak's summit is 1.24 miles (2 km) above the crater floor.

(texto e imagem – NASA)