US Rockets to Moon, Eyes Set on Mars

US Rockets to Moon, Eyes Set on Mars

The Artemis II mission has successfully returned its four astronauts to Earth after a journey around the moon. This splashdown in the Pacific Ocean marks a significant step in America’s return to deep space exploration. It also sets the stage for future missions aiming to land humans on the lunar surface and eventually reach Mars.

Artemis II Crew Returns Safely

The Orion space capsule, carrying Commander Reid Wiseman, pilot Victor Glover, and mission specialists Christina Koch and Jeremy Hansen, completed its 10-day mission. The capsule re-entered Earth’s atmosphere at over 25,000 miles per hour. Its heat shield protected the crew from temperatures exceeding 5,000 degrees Fahrenheit. After deploying parachutes, Orion landed gently in the Pacific Ocean, traveling at about 20 mph.

Inside mission control, the atmosphere was tense during the six-minute radio blackout as the capsule re-entered Earth’s atmosphere. Text messages from inside revealed the silence, with one person saying, “You could hear a pin drop.” The crew’s families watched from the Johnson Space Center in Houston, experiencing moments of both joy and anxiety. The astronauts will undergo medical checks before returning to Houston for a reunion.

During the mission, Commander Wiseman honored his late wife, Carol Taylor Wiseman, by naming a moon crater after her. This personal moment added an emotional layer to the historic journey. The successful return of the Artemis II crew is being celebrated as a major milestone for NASA and American history.

The Road Ahead: Building on the Moon and Beyond

Bethany Stevens, a NASA spokesperson, expressed excitement about the mission’s success. She stated that the agency is “over the moon” and looking forward to continuing missions with excellence. While Artemis II did not land on the moon, its goal was to travel farther than any human before, which it achieved.

The next phase, Artemis III, is planned for 2027. This mission aims to test the lunar landing system, with the actual landing of astronauts on the moon scheduled for early 2028. The goal is not just a short visit, but to establish a permanent presence by building a moon base. This long-term vision is compared to the construction of the International Space Station, a modular environment that took many years to build.

NASA plans to use robotic missions starting in 2027 to begin building the moon base. This foundation on the moon is crucial for future Mars missions. NASA hopes to use lunar ice to create rocket fuel, which will help astronauts return from Mars. The agency sees the moon as a stepping stone to the red planet.

Mars: The Next Frontier

The journey to Mars will follow a similar path to returning to the moon. Uncrewed test flights will precede human missions. Administrator Jared Isaacman has announced plans for SR1 Freedom, a nuclear spacecraft designed to survey Mars and identify landing sites. This mission will deploy multiple helicopters to explore the Martian surface.

The strategy is to move astronauts from the moon to Mars. Building a base on the moon will allow for the study of lunar ice and its potential use in manufacturing propellants. This is essential for ensuring astronauts can return safely from Mars and share their discoveries.

Partnerships in Space Exploration

NASA views private companies like SpaceX and Blue Origin as partners, not just competitors. These companies are contracted to build human landing systems for lunar missions. NASA’s role as a government entity is to pave the way and develop new technologies.

The International Space Station (ISS) is transitioning to commercial development, with plans for commercial space stations to continue research. This collaboration aims to make space travel more accessible to a larger number of people. NASA’s work with commercial partners is key to advancing exploration and making ambitious goals like moon bases and Mars missions a reality.

Engineering Marvels and Astronaut Experiences

Colonel Jack Fischer, a former NASA astronaut, described the re-entry into Earth’s atmosphere as intense. He compared it to a “car crash wrapped in a machine by another car crash” when landing on land, noting that the splashdown was a bit softer but still a unique experience.

Fischer also highlighted the engineering feat of the heat shield. He explained that on previous missions, like Artemis I, the shield had issues with material shedding. However, for Artemis II, engineers ensured the shield stayed hot during re-entry, allowing it to erode as designed and protect the capsule. The smooth landing, with the deployment of 11 parachutes, was described as a “symphony of awesome.”

The experience of space travel is life-changing, offering a new perspective on Earth. Fischer mentioned that seeing Earth as a “thin blue line” representing all of humanity is profound. He stated that the Artemis II mission was “night and day” compared to his time on the ISS, calling it “incomprehensibly cool.”

Chris Hadfield, another former astronaut, explained the return to capsule designs after the space shuttle era. He stated that capsules offer the best practical design for launching from Earth and returning, a conclusion reached after trying various designs, much like the evolution of airplanes.

Regarding food, former NASA lead food scientist Vicky Claris explained that food must be shelf-stable, using freeze-dried and thermostabilized (canned) methods. Astronauts on Artemis II had the advantage of choosing their exact menu since the food and crew were on the same vehicle. However, they ate from pouches held in their hands, unlike the dining table available on the ISS. Preference foods, like Nutella, are also allowed in small quantities.

The heat shield’s function was further explained using the analogy of a log burning in a fire. The outer layer chars and burns away, protecting the inner material. The shield is made of materials that slowly erode, safeguarding the crew inside. The Artemis II heat shield performed exceptionally well, bringing relief to engineers and observers.

Young Hilt Bowling, who became famous for his excitement about the Artemis launch, shared his experience visiting Kennedy Space Center. He drove a lunar rover in a simulated lunar dust environment. He emphasized the immense size of the Orion capsule, noting it is about four to five meters wide, making it appear much larger up close than on television.

Historical Context and Future Vision

The Artemis program, initiated under President Trump’s administration, builds on decades of space exploration. The success of Artemis I, an uncrewed test flight in 2022, paved the way for Artemis II. Future missions, including Artemis III, IV, and V, are planned through 2028, focusing on lunar landings, base construction, and further exploration.

This ambitious program represents a commitment to NASA and aims to push the boundaries of human exploration. The phrase “to the moon and beyond” encapsulates the spirit of these missions, highlighting a long-term vision that extends to Mars and potentially further into the solar system.

Source: Artemis II crew’s historic mission around the moon | Katie Pavlich Tonight Full Episode 4/10 (YouTube)