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NASA’s Artemis 1 launch Tomorrow: When and where you can watch the mission to moon

The Financial Express logo The Financial Express 15-11-2022 FE Science
Caption: Artemis 1 Launch on November 16: Artemis aims to return astronauts to the moon's surface as early as 2025. (Image: AP) © Provided by The Financial Express Caption: Artemis 1 Launch on November 16: Artemis aims to return astronauts to the moon's surface as early as 2025. (Image: AP)

Artemis 1 Moon Mission launch: Days after its postponement owing to Tropical Storm Nicole, NASA’s Artemis 1, moon mission, is all set to be launched on November 16. The Space Launch System (SLS) rocket and Orion spacecraft are now scheduled to launch at the Kennedy Space Center in Florida during a two-hour launch window that opens at 1.04 AM EST (11.34 AM IST).

NASA flight-readiness crews were eager for success after 10 weeks beset by engineering difficulties, two hurricanes and two trips from the spacecraft’s hangar to its launch pad.

Two previous launch attempts, on August 29 and September 3, were aborted because of fuel line leaks and other technical problems that NASA has since resolved. While moored to its launch pad last week, the rocket endured fierce winds and rains from Hurricane Nicole, forcing a two-day flight postponement.

Post-storm inspections found the hurricane had torn off a strip of ultra-thin protective sealant from Orion’s exterior, but NASA officials said Monday night the damage was minor and posed negligible risk to the launch.

Also Read | NASA stalls Artemis I Moon mission again due to tropical storm Nicole

Weather is always a factor beyond NASA’s control. The latest forecast on Monday called for a 90% chance of favorable conditions during Wednesday’s two-hour launch window, according to the US Space Force at Cape Canaveral.

Dubbed Artemis I, the mission marks the first flight of the SLS rocket and the Orion capsule together, built under NASA contracts with Boeing Co and Lockheed Martin Corp , respectively.

It also signals a major change in direction for NASA’s post-Apollo human spaceflight program, after decades focused on low-Earth orbit with space shuttles and the International Space Station.

Named for the Greek goddess of the hunt – and Apollo’s twin sister – Artemis aims to return astronauts to the moon’s surface as early as 2025.

Twelve astronauts walked on the moon during six Apollo missions from 1969 to 1972, the only space flights yet to place humans on the lunar surface. But Apollo, born of the U.S.-Soviet space race during the Cold War, was less science-driven than Artemis.

The new moon program has enlisted commercial partners such as Elon Musk’s SpaceX and the space agencies of Europe, Canada and Japan to eventually establish a long-term lunar base as a stepping stone to even more ambitious human voyages to Mars.

Getting the SLS-Orion spacecraft off the ground is a key first step. Its first voyage is intended to put the 5.75-million-pound vehicle through its paces in a rigorous test flight, pushing its design limits to prove the spacecraft is suitable to fly astronauts.

If the mission succeeds, a crewed Artemis II flight around the moon and back could come as early as 2024, followed within a few more years by the program’s first lunar landing of astronauts, one of them a woman, with Artemis III.

Billed as the most powerful, complex rocket in the world, the SLS represents the biggest new vertical launch system the U.S. space agency has built since the Saturn V of the Apollo era.

Barring last-minute difficulties, the launch countdown should end with the rocket’s four main R-25 engines and its twin solid-rocket boosters igniting to produce 8.8 million pounds of thrust, sending the spacecraft streaking skyward.

Also Read | Artemis 1: NASA postpones launch of unmanned mission to moon due to tropical storm Ian

About 90 minutes after liftoff, the rocket’s upper stage will propel Orion out of Earth orbit on course for a 25-day flight that brings it to within 60 miles of the lunar surface before sailing 40,000 miles (64,374 km) beyond the moon and back to Earth. The capsule is expected to splash down in the Pacific on Dec. 11.

Although no humans will be aboard, Orion will carry a simulated crew of three – one male and two female mannequins – fitted with sensors to measure radiation levels and other stresses that real-life astronauts would experience.

A top objective for the mission is to test the durability of Orion’s heat shield during re-entry as it hits Earth’s atmosphere at 24,500 miles (39,429 km) per hour, or 32 times the speed of sound, on its return from lunar orbit – much faster than re-entries of capsules returning from the space station.

The heat shield is designed to withstand re-entry friction expected to raise temperatures outside the capsule to nearly 5,000 degrees Fahrenheit (2,760 Celsius).

More than a decade in development with years of delays and budget overruns, the SLS-Orion spacecraft has so far cost NASA at least $37 billion, including design, construction, testing and ground facilities. NASA’s Office of Inspector General has projected total Artemis costs will run to $93 billion by 2025.

NASA defends the program as a boon to space exploration that has generated tens of thousands of jobs and billions of dollars in commerce.

(With inputs from agency)

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