Rosetta is a(n) ... breaking space mission to land on a comet.
A. land B. soil C. ground D. earth
Rosetta is a(n) ... breaking space mission to land on a comet.
A. land B. soil C. ground D. earth
Rosetta is a(n) ... breaking space mission to land on a comet.
A. land B. soil C. ground D. earth
Rosetta is a(n) ... breaking space mission to land on a comet. A. land B. soil C. ground D. earth