Sunday, February 5, 2023

NASA, after Orion’s arrival: “This is the beginning of a new beginning”

Miami, Dec. 11 NASA Administrator Bill Nelson on Sunday described Artemis I as an “extraordinarily successful mission” that also marked “the beginning of a new beginning” for space exploration.

During a teleconference after the Orion unmanned spacecraft’s arrival this Sunday, the former Florida senator recalled that the Artemis program intends to establish a permanent presence on the Moon “to go further into the universe,” with crewed crews on board. Mission to Mars is also included. end of the next decade.

Along with other NASA officials, Nelson explained that they are holding off on flying the Artemis II mission until 2024, which would make a similar journey but with a crew, and to that extent he assured that the program is still bipartisan. Support and US Congress.

In their favor, Vanessa Veitch, director of NASA’s Johnson Space Center, explained that if the information provided by Artemis I, which will be transferred to the Kennedy Space Center in Florida after landing, is satisfactory, they may meet in that case. The crew of the next mission early next year.

The Artemis I unmanned mission concluded this Sunday with the arrival of the Orion capsule in the Pacific Ocean off the Mexican coast of Baja California, after 25 and a half days of mission during which it made a round trip to the Moon covering 1.4 million miles ( 2.2 million km).

During an entry voyage of 25,000 mph (40,000 km/h), equivalent to 32 times the speed of sound, the ship weighs 22,000 pounds (just over 9,900 kg) and is approximately five meters in diameter (16.5 ft) at approximately 5,000 degrees Fahrenheit (2,800 °C), half the temperature on the Sun.

It encountered a fire test protected by a thermal shield that has been used for the first time on this mission and has performed well according to first observations, although according to the mission manager, a more thorough analysis remains to be done. In the teleconference, Mike Sarafin said…

“It looks like a successful mission,” said the NASA executive.

In turn, the director of the Orion program, Howard Hu, reported that the ship was about 2.1 nautical miles from the target, located near Guadalupe Island, and the requirement was that it do so within 5.4 nautical miles.

He also said that he engaged 122 targets during flight testing and added about 20 more in real time.

Jim Frey, NASA’s associate administrator for Exploration Systems Development, said the successful shutdown of Artemis I gives them the confidence to tackle the “increasingly complex” mission to establish a permanent presence on the Moon.

“Early indicators are very favorable,” Sarafin said of Artemis I, whose one milestone was approaching 434,522 kilometers (about 270,000 miles) from Earth, the first spacecraft designed to carry humans and up The maximum record achieved by the vehicle is Achieved in 1970 by the Apollo 13 mission.

Upon arrival in Pacific waters, supported by eleven parachutes, which opened progressively as the ship descended at 325 mph (about 200 km/h), the recovery team waited approximately six hours before being towed aboard the US Navy ship USS Portland. Had to do The ship will take it to a naval base in San Diego, California, and from there to Florida.

During that time, NASA gathered information about how high temperatures affected Orion during re-entry and whether it had an effect on the temperature of the crew cabin, now occupied only by mannequins.

NASA plans to launch the crewed Artemis II mission in 2024, and Artemis III the following year, in which astronauts, including a woman and a man of color, will finally land on the satellite for the first time since 1972.

Nation World News Desk
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