Highlights

Starship lifted off from Starbase in Texas at 8.38 am ET, but the vehicle was reported to have faced a "rapid unscheduled disassembly".

The main Starship failed separate from the Super Heavy, and failed to reach orbit.

SpaceX depends on Starship to deliver its next-generation Starlink satellites to orbit. 

NASA also depends on Starship, after it awarded SpaceX a $2.9 billion contract to use Starship to land its astronauts on the moon.

It since has awarded SpaceX another contract, worth $1.15 billion, for a second landing.

South Padre Island, Texas: The ambitious project to bring humans back to the Moon, and colonise Mars, has faced a setback following the failure of SpaceX Starship’s first orbital test flight on Thursday (April 20, 2023).

After smooth liftoff on its second launch attempt, the world’s biggest rocket, a two-in-one system, suffered what engineer called an rapid unscheduled disassembly, and exploded in a giant fireball minutes after it left "Starbase "in Texas, US.

https://twitter.com/SpaceX/status/1649045802332073986?s=20

The setback is temporary. Technical teams will assess the flight data to know what went wrong and make iterations for the next test flights. There are a number of Starships ready to fly. 

It’s not immediately clear when the next flight would be.

Even if Starship’s first orbital test flight failed — the Space X Falcon 9 rocket also failed at least 3 time before it has scored the first successful launch — the fact that it flew at all is already considered an engineering success.

Beast of a rocket

On Thursday, SpaceX launched for the first time its own massive rocket, an almost 400-foot-tall behemoth. Powered by a staggering 33 first-stage engines, it would have nearly twice the thrust of NASA’s Space Launch System (SLS), which towers at 322 feet, taller than the Statue of Liberty.

Until Starship, SLS was “the most powerful rocket in the world.” SLS, however, falls into the ocean after its payload is launched.

The stainless steel Starship, on the other hand, is designed to return to a soft landing on Earth, to be reused. That did not happen on Thursday.

While the SLS represents a traditional government approach to rocket design — one that uses hardware originally designed in the 1970s for the space shuttle — Starship symbolises space flight’s modern, entrepreneurial bent.

Reusable rocket, in-orbit refuelling

Starship is designed to be refuelled in orbit, allowing SpaceX to hoist an unprecedented amount of cargo and potentially dozens of people to deep space.

And, because it will be reusable, it is expected to be far less expensive to operate than the SLS.

The promise of Starship and SpaceX CEO Elon Musk’s asserting that the vehicle “could make life on Mars real” have attracted legions of fans.

For years, they have jammed Musk’s presentations on the rocket, obsessively tracked its design iterations and made pilgrimages to SpaceX’s Starship facility in a remote corner of South Texas the company calls “Starbase”.

Moon-bound  

But Starship also has won over NASA, which has placed the rocket at the center of its exploration goals. In 2021, the space agency awarded SpaceX a $2.9 billion contract to use it as the vehicle that would land astronauts on the surface of the moon, giving it a starring role in NASA’s campaign to return people to the lunar surface as part of its “Artemis” program.

Its launch will be the first time SpaceX has attempted to fly the full vehicle — the Starship spacecraft mounted on top of the Super Heavy booster.

A successful launch would be no small feat, especially given the size and complexity of the rocket.

“With a test such as this, success is measured by how much we can learn, which will inform and improve the probability of success in the future as SpaceX rapidly advances development of Starship,” SpaceX said in a statement.

Speaking on Twitter Spaces on Sunday night, Musk explained as he has before that success is not guaranteed. He even suggested the test could be postponed.

Among the biggest concerns, Musk said Sunday, is an explosion that would destroy the launchpad.

“It will take us probably several months to rebuild the launchpad if we melt it,” he said. As for the booster, he compared it to “having a box of grenades. You know, really big grenades.”

Vehicle for science

If it does fly successfully, Starship would serve not only as a vehicle for exploration, but for science as well. With its ability to hoist enormous amounts of mass to orbit, astronomers and astrophysicists see rethinking what sorts of telescopes and instruments can be catapulted into space.

In its fully reusable configuration, Starship would be able to lift more than 100 metric tons — more than 220,000 pounds — to the moon and even more to low Earth orbit, according to a SpaceX user’s guide from 2020.

By contrast, the current version of SLS is capable of hoisting 27 metric tons, or 59,500 pounds, to the moon, according to NASA.

With a pending upgrade, that would increase to 38 metric tons or 83,700 pounds.

Success

“Assuming it is successful, Starship will dramatically enhance our space capabilities in ways that will qualitatively alter how astrophysics missions can be built,” predicted an article in Physics Today written by a trio of astronomers and physicists.

“Astrophysics missions to space have always been tightly constrained by the capabilities of the launchers, which have not changed substantially in two decades.”

A report last year by the National Academies of Sciences, Engineering and Medicine found that “Starships can accommodate payloads that are significantly larger and heavier than traditional NASA planetary payloads, significantly reducing the need for the costly reductions in size and mass required for traditional NASA payloads.”

“It’s quite simple, really. When you design any missions for astronomy, you’re very limited by the mass available in the rocket,” Martin Elvis, a senior astrophysicist at the Harvard and Smithsonian Center for Astrophysics, said in an interview.

The James Webb Space Telescope, for example, had to be designed to be folded so it could be stuffed into the nose cone of the Ariane 5 rocket that shot it to space. The total mass was nearly 14,000 pounds, far less than what Starship would be able to accommodate.

Cost-saver

“Your whole development process, your whole design process, becomes so much simpler,” he said. “And that saves enormous amounts of cost.”

Indeed, Starship’s cargo space is so generous that it may take a while for the space industry to grow into it.

“Starship is too big for most payloads today,” said Carissa Christensen, the CEO of Bryce Space and Technology, a consulting firm.

Disrupting space exploration

“If it is cheap enough, that might not matter. And it could serve as a direct substitute for less capable vehicles in the near term. The real impact will be new concepts that take advantage of the vehicle’s massive capacity. It will take years for the market to design and manufacture payloads that are truly optimised for Starship.”

Starship already has a few customers. Yusaku Maezawa, a Japanese billionaire, has booked a trip around the moon with several other private citizens.

Another billionaire, Jared Isaacman, who commanded an all private-citizen flight to orbit on SpaceX’s Dragon spacecraft in 2021, plans to fly on Starship’s first mission with people. It is unclear, however, when either of those flights would occur.

In the near term, SpaceX needs Starship to begin flying regularly so that it can put the next generation of its Starlink internet satellites in orbit.

They are more capable than the satellites in the current constellation, which are launched in batches by SpaceX’s Falcon 9 rocket. But the new satellites are much heavier, about 1.25 tons, Musk has said, and would require Starship’s increased power.

Fiery explosions

SpaceX blew up a series of spacecraft prototypes during an earlier testing

campaign, flying them about six miles up, then bringing them back down in landing attempts that ended in fiery explosions until the company finally stuck the landing.

Last year, SpaceX won preliminary approval for its first launch from the Federal Aviation Administration, which required it to take many actions designed to protect the surrounding environment and reduce the impact of its activities on a nearby public beach and wildlife preserve before being given a launch license.

The upcoming launch attempt is far more ambitious than the previous tests.

Starship will be stacked on top of the 33-engine Super Heavy booster, which is expected to send Starship speeding around much of the globe before falling back into the atmosphere and crashing into the ocean off the coast of Hawaii.

Another try

If the launch fails, Musk said SpaceX would try again soon.

“We’re building a whole series of Starships in South Texas, and so I think we’ve got hopefully an 80 percent chance of reaching orbit this year.”

For this attempt, SpaceX will not try to land either Starship or its booster.

But eventually it hopes that the booster will fly back to its nearly 500-foot-tall launch tower, where it will be caught by a pair of arms that operate like giant chopsticks.

Soft touch down

The Starship spacecraft itself, after completing its mission and reentering Earth’s atmosphere, would flip horizontal, fall back toward Earth in a kind of belly-flop, then right itself, reignite its engines and touch down softly on a landing pad.

It’s a technique the company says will allow “missions to destinations across the solar system where runways do not exist.”

Once it’s operational, Musk said, Starship could lower “the cost of access to space by orders of magnitude,” allow people to go to Mars and eventually achieve his goal of making humanity “multi-planetary.”

“We don’t want to be one of those lame one-planet civilizations,” he said.

What happened on Monday

SpaceX on Monday called off its first attempt to launch Starship, the largest rocket ever built and one that NASA intends to use to land its astronauts on the moon.

SpaceX CEO Elon Musk said the scrub was called after a valve on the rocket’s first stage froze, leading to a pressurisation issue.

After the launch was called off, engineers used the time to practice loading the rocket and spacecraft with some 10 million pounds of very cold propellant in what’s known as a “wet dress rehearsal.”

The liquid methane fuel is kept at minus-272 degrees Fahrenheit, making the loading process complicated.

If the rocket gets “far enough away from the launchpad before something goes wrong, then I think I would consider that to be a success. Just don’t blow up the launchpad.”

Losing “the launchpad is really the thing we’re concerned about,” he said. “It will take us probably several months to rebuild the launchpad if we melt it.”

Standing at nearly 400 feet tall, the Super Heavy booster and Starship spacecraft would have more power than NASA’s Space Launch System, which also had to wave off its first launch attempt because of technical challenges.

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