Astronauts to witness rare Total Solar Eclipse on Artemis II today: Will it be visible from Earth

As the NASA mission Artemis II advances deeper into lunar space, a rare celestial event is set to unfold far from Earth’s view. On Monday, April 6, the four-member crew aboard the Orion spacecraft will experience a total solar eclipse that will remain invisible to observers on Earth. The moment marks a defining milestone in modern space exploration, combining precision navigation, historic distance records, and an extraordinary visual phenomenon that only astronauts in deep space can witness.

Total Solar Eclipse: A View Reserved for Space

The highlight of the Artemis II journey on April 6 is a 57-minute Total Solar Eclipse, visible exclusively from the Orion spacecraft as it loops around the Moon. Unlike eclipses seen from Earth, caused by a new moon passing between Earth and the Sun, this phenomenon occurs from a reversed vantage point.

From Orion’s perspective, the Moon will gradually obscure the Sun, revealing the Sun’s outer atmosphere, known as the corona. The astronauts are expected to witness a dimly lit lunar surface, glowing edges, and possibly even meteoroid impacts and cosmic objects such as distant stars and planets.

Mission Milestone: Entering the Moon’s Domain

The Artemis II crew officially entered the Moon’s sphere of influence in the early hours of April 6, a point where lunar gravity overtakes Earth’s pull on the spacecraft. This transition signifies a crucial phase in the NASA mission, as Orion begins to “fall” toward the Moon rather than moving away from Earth.

The spacecraft’s engines were fired briefly to refine its trajectory, ensuring accurate positioning for the upcoming lunar flyby. This maneuvering is essential for aligning Orion with the precise geometry needed to observe the eclipse.

Behind the Moon: A Temporary Silence

As Orion moves behind the Moon during the flyby, the spacecraft will lose communication with mission control in Houston for approximately 40 minutes. This blackout is a known and carefully planned phase of the mission, reminiscent of earlier Apollo-era operations.

Despite the temporary communication gap, the crew will continue executing planned observations and system monitoring independently.

Breaking Records in Deep Space

The Artemis II astronauts: Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen, are also set to achieve a historic milestone. During the flyby, they will surpass the distance record set by Apollo 13 in 1970, becoming the farthest humans from Earth in history.

This mission is the first crewed journey beyond low-Earth orbit in over five decades, reaffirming NASA’s long-term goal of returning humans to the Moon and eventually venturing to Mars.

Total Solar Eclipse, Stream It Live: How to Watch

Orion is scheduled to carry out a lunar flyby from 2:45 p.m. to 9:20 p.m. EDT on Monday, April 6, during which astronauts will observe the Moon and witness a 57-minute total solar eclipse. Coverage of the flyby on NASA+ is set to begin at 1 p.m. EDT, according to the agency’s timeline of key milestones.

While the Total Solar Eclipse itself cannot be seen from Earth, space enthusiasts can follow the mission through live coverage on NASA’s official streaming platform. Broadcasts of the lunar flyby began earlier in the day, offering real-time insights into spacecraft operations and astronaut experiences.

Viewers can track Orion’s journey, listen to mission updates, and watch visuals transmitted before and after the communication blackout.

Total Solar Eclipse: What Happens Next?

Following the eclipse and lunar flyby, Artemis II will begin its return journey to Earth. The mission is scheduled to conclude with a splashdown in the Pacific Ocean later this week.

As a test flight, Artemis II is laying the groundwork for future missions, including planned lunar landings later this decade.

FAQs

Why is the Total Solar Eclipse not visible from Earth?

The eclipse occurs from Orion’s unique position behind the Moon, where the alignment of the Sun, Moon, and spacecraft differs from Earth-based viewing angles.

How long will the Artemis II eclipse last?

The astronauts will experience approximately 57 minutes of totality, significantly longer than most eclipses observed from Earth.