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Home Technology

NASA’s Artemis II enters ’13 minutes of terror’ as crew plunges through Earth’s atmosphere in radio blackout

by LJ News Opinions
April 10, 2026
in Technology
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By STACY LIBERATORE, US SCIENCE & TECHNOLOGY EDITOR and CHRIS MELORE, US ASSISTANT SCIENCE EDITOR

Updated: 19:59 EDT, 10 April 2026

NASA‘s Artemis II crew is just minutes away from the most dangerous phase of their historic Moon mission as the Orion spacecraft prepares to plunge back to Earth.

The spacecraft is scheduled to streak through Earth’s atmosphere at about 7.53pm ET on Friday, reaching blistering speeds of up to 25,000 miles per hour before splashing down roughly 13 minutes later in the Pacific Ocean off the coast of San Diego, California.

The four-person crew, NASA astronauts Reid Wiseman, Victor Glover and Christina Koch, along with Canadian astronaut Jeremy Hansen, is wrapping up a ten-day mission that carried them around the moon and farther than any human had ever traveled into space before.

The journey marked the first time in more than 50 years that humans have traveled this far into space and viewed the lunar surface with the naked eye since the Apollo era.

During the mission, the astronauts also passed behind the moon, flying over the mysterious far side, often referred to as the moon’s dark side because it permanently faces away from Earth. The historic flight also shattered a decades-old distance record set during Apollo 13 in 1970, when astronauts traveled 248,655 miles from Earth.

Artemis II surpassed that milestone by thousands of miles, setting a new distance record for human spaceflight.

Breaking:Communications blackout begins as Artemis II slams into Earth’s atmosphere

The planned six-minute radio blackout period has begun as Artemis II made first contact with the upper atmosphere at 7.53pm ET.

The Orion crew module carrying NASA astronauts Reid Wiseman, Victor Glover and Christina Koch, and Canadian astronaut Jeremy Hansen, was approximately 400,000 feet above Earth’s surface.

The crew is expected to experience up to 3.9 Gs in the planned entry route. The communications blackout is being caused by a ‘plasma buildup’ as the heat of reentry rise around the capsule.

The astronauts transmitted one final image of Earth before entering the planned radio blackout period.

NASA's Artemis II Live Mission Coverage (Official Broadcast)
NASA's Artemis II Live Mission Coverage (Official Broadcast)

Breaking:Artemis II crew module blasts off from spacecraft as splashdown nears

Orion’s crew module has successfully separated from the service module, and the final maneuver to angle Artemis II for a safe reentry into Earth’s atmosphere has been completed.

NASA has confirmed that the return of Artemis II will now continue with no other changes in the scheduled splashdown in the Pacific Ocean at approximately 8.07pm ET.

NASA cautioned that the crew module will lose contact with the space agency for six minutes as it enters the atmosphere.

NASA's Artemis II Live Mission Coverage (Official Broadcast)

Navy launches its recovery teams as Artemis II nears Earth

Captain Erik Kenny, the commanding officer of the US Navy’s USS John P Murtha revealed that the ship has launched the four helicopters which will be monitoring the splashdown site as Artemis II nears Earth’s atmosphere.

The Murtha set out from the California coast earlier in the week for its mission to recovery the Orion spacecraft is less than one hour.

This handout image released by NASA shows US Navy divers preparing to deploy from the well deck of the USS John P. Murtha to recover Artemis II crewmembers and NASA's Orion spacecraft in the Pacific Ocean off the coast of San Diego, California on April 10, 2026. The Artemis II astronauts wrapped up their lunar flyby as they continue their journey back to Earth on April 7, bringing with them rich celestial observations including little-known lunar craters, a solar eclipse and meteor strikes that scientists hope will open doors. (Photo by Bill INGALLS / NASA / AFP via Getty Images) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / NASA / Bill INGALLS" - HANDOUT - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

NASA surgeon warns astronauts could get sick while returning to Earth

NASA flight surgeon Dr Rick Scheuring revealed that crews at the splashdown site are preparing to help the four astronauts, who may battle severe nausea after reentering Earth’s much stronger atmosphere.

Scheuring said: ‘The human system is very dynamic. It has to readapt very quickly. One of the most common responses they get is some stomach awareness, to some nausea, to some vomiting.’

To help NASA astronauts Reid Wiseman, Victor Glover and Christina Koch, and Canadian astronaut Jeremy Hansen, the crew has taken anti-nausea medication and increasing their fluid intake in preparation for splashdown.

15723487 artemis splashdownNASA's Artemis II Live Mission Coverage (Official Broadcast)

Artemis II crew don their space suits as final preparations for reentry begin

NASA astronauts Reid Wiseman, Victor Glover and Christina Koch, and Canadian astronaut Jeremy Hansen have changed into their protective space suits as the crew begin their final leak checks before entering the Earth’s atmosphere at approximately 7.33pm ET

The Artemis II Crew - NASA astronauts Reid Wiseman, Victor Glover, Christina Koch and CSA (Canadian Space Agency) astronaut Jeremy Hansen - are preparing for re-entry aboard the Orion spacecraft.

All systems look ‘great’ for Artemis splashdown

NASA’s Artemis mission recovery director, Paul Sierpinski, said that the conditions near the splashdown site look great and everything remains on schedule for the Orion spacecraft to return in just over an hour.

What to watch for as Artemis II returns to Earth

NASA has released its official timeline of what will happen during Artemis II’s historic return to Earth:

7.33pm ET: Orion’s crew module will separate from the service module, exposing its heat shield for the spacecraft’s return through Earth’s atmosphere, where temperatures will reach up to 3,000 degrees Fahrenheit.

7.37pm ET: Orion will perform an 18-second crew module raise burn beginning to set the proper entry angle and align the heat shield for its collision with the atmosphere.

7.53pm ET: When Orion reaches 400,000 feet above Earth’s surface, the crew is expected to experience up to 3.9 Gs in the planned entry route. This moment marks the spacecraft’s first contact with the upper atmosphere and the starts a six-minute communications blackout.

8.03pm ET: Around 22,000 feet over the surface, parachutes will deploy, slowing and stabilizing the capsule as Orion nears splashdown.

8.04pm ET: At around 6,000 feet, the initial parachutes will release, and the three main parachutes will deploy, reducing Orion’s speed to less than 136 mph.

8.07pm ET: Slowing to 20 mph, Orion will splash down in the Pacific Ocean off the coast of San Diego, completing the Artemis II crew’s return to Earth and a 694,481-mile journey.

This screengrab from a NASA livestream shows the Orion spacecraft on its way back to the Earth on April 10, 2026. The Artemis II astronauts were preparing April 10 for a high-stakes re-entry and splashdown, the final and perhaps most risky step of their historic 10-day journey around the Moon. Earlier this week, Americans Reid Wiseman, Victor Glover and Christina Koch along with Canadian Jeremy Hansen voyaged further from Earth than any human before in a mission considered a key stepping stone towards eventual crewed lunar landings. (Photo by Handout / NASA / AFP via Getty Images) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / NASA+" - HANDOUT - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

Artemis II prepares for reentry after final burn

The Orion spacecraft carrying four astronauts back to Earth successfully completed their final burn Friday afternoon at 2.53pm ET.

The capsule ignited its thrusters for eight seconds, changing their velocity by 4.2 feet-per-second and pushing Artemis II into a course that will take it safely into the Pacific Ocean at approximately 8.07pm ET.

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NASA’s Artemis II enters ’13 minutes of terror’ as crew plunges through Earth’s atmosphere in radio blackout



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