Answer:
Rosetta was a space probe built by the European Space Agency launched on 2 March 2004. Along with Philae, its lander module. Rosetta was a European deep space probe launched on what was originally projected to be an 11.5-year mission to rendezvous, orbit, study and to land on the comet 67P/Churyumov-Gerasimenko. While Philae is a robotic European Space Agency lander that accompanied the Rosetta spacecraft until it separated to land on comet 67P/Churyumov–Gerasimenko, ten years and eight months after departing Earth.
Rosetta consisted of two parts;
- An orbiter called Rosetta
- A lander called Philae
Each of them was equipped with a variety of scientific instruments.
So in conclusion, Rosetta is an orbiter and Philae is a lander
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