CURRENT AFFAIRS

Detailed explanation-1: -Hayabusa -2 first launched in 2014. Three and a half years later, it reached the asteroid Ryugu, located about 300 million km (190 million miles) from Earth.

Detailed explanation-2: -Hayabusa, series of Japanese spacecraft that explored asteroids. The first, Hayabusa, studied the asteroid Itokawa and returned a sample container of dust grains to Earth in 2010.

Detailed explanation-3: -TOKYO – Water has been found in an asteroid sample collected by Japan’s Hayabusa2 space probe, marking the first such discovery and shedding light on how the Earth’s oceans may have formed.

Detailed explanation-4: -Hayabusa2 is a Japanese spacecraft that studied asteroid Ryugu, collected samples, and brought them to Earth for analysis.

Detailed explanation-5: -The carbonaceous asteroid (162173) Ryugu is a rubble pile formed by re-accumulation of material ejected from a parent asteroid by a large impact (1). Remote sensing observations have shown that Ryugu is related to hydrous carbonaceous chondrite meteorites (2).