Rosetta and Philae

The German Aerospace Center (DLR) was one of the primary contributors to the Rosetta mission, which launched in 2004 with the aim of studying comet 67P/Churyumov-Gerasimenko. The mission was led by the European Space Agency (ESA), with significant contributions from DLR.

The Rosetta spacecraft was designed to orbit comet 67P/Churyumov-Gerasimenko, studying its surface, composition, and behavior as it interacted with the Sun. The mission was named after the Rosetta Stone, which helped scholars decipher ancient Egyptian hieroglyphics.

Launch Date:

The Rosetta spacecraft was launched on March 2, 2004, from the Guiana Space Centre in Kourou, French Guiana. It was launched on an Ariane 5 rocket, which is operated by Arianespace.

Why:

The Rosetta mission had several goals. The primary goal was to study comet 67P/Churyumov-Gerasimenko in detail, including its composition, structure, and behavior as it approached the Sun. The mission also aimed to study the formation of the Solar System and the role that comets played in it.

Another important goal of the Rosetta mission was to land a small probe on the surface of the comet. This probe, named Philae, was designed to study the surface of the comet up close and provide detailed information about its composition.

How:

The Rosetta spacecraft was designed to travel more than 6 billion kilometers to reach comet 67P/Churyumov-Gerasimenko. It took more than ten years for the spacecraft to reach the comet, traveling through the inner Solar System and using the gravitational pull of planets like Mars and Earth to adjust its trajectory.

Once the spacecraft arrived at the comet, it began orbiting the nucleus, studying its surface and behavior. The spacecraft was equipped with a variety of instruments, including cameras, spectrometers, and magnetometers, which allowed it to study the comet in detail.

In November 2014, the Philae lander was released from the Rosetta spacecraft and landed on the surface of the comet. The landing was a historic achievement, as it was the first time that a spacecraft had ever landed on the surface of a comet.

Cost:

The Rosetta mission was a joint project between the European Space Agency (ESA) and various national space agencies, including DLR. The total cost of the mission is estimated to be around €1.4 billion, with DLR contributing approximately €160 million.

Achievements:

The Rosetta mission was a significant achievement for space exploration. The spacecraft and its instruments provided scientists with detailed information about the composition, structure, and behavior of a comet, which had never before been studied in such detail.

The Philae lander was also a significant achievement, as it provided scientists with the first-ever direct measurements of the composition of a comet's surface. The data gathered by the lander and the orbiter allowed scientists to gain a better understanding of the early Solar System and the role that comets played in its formation.

Overall, the Rosetta mission was a groundbreaking achievement for space exploration and contributed significantly to our understanding of the Solar System and its formation.

One of the most significant discoveries of the Rosetta mission was the detection of complex organic molecules on the surface of comet 67P/Churyumov-Gerasimenko. These molecules are the building blocks of life, and their presence suggests that comets could have played a role in the origin of life on Earth.

The Rosetta mission also provided scientists with a better understanding of the behavior of comets as they approach the Sun. The data collected by the spacecraft showed that as comets approach the Sun, they become increasingly active, with gas and dust being ejected from their surfaces. This activity can have a significant impact on the behavior of comets, and understanding it is essential for predicting their trajectories and potential impact on Earth.

The Philae lander also provided scientists with new insights into the surface of comets. The lander discovered that the surface of comet 67P/Churyumov-Gerasimenko is covered in a layer of dust and pebbles, with occasional boulders scattered throughout. The data collected by the lander allowed scientists to gain a better understanding of how comets are formed and how they evolve over time.

Overall, the Rosetta mission was a significant achievement for space exploration and provided scientists with new insights into the behavior and composition of comets. The mission's success has paved the way for future missions to study comets and other small bodies in our Solar System, which could provide important clues about the formation and evolution of our Solar System and the origins of life on Earth.