Artemis II mission sparks hope online. See internet reactions.

Artemis II is giving people a "once in a blue moon" type of hope.

As the four astronauts on board the Orion spacecraft continue their historic space flight, many back on Earth have reveled in amazement about the gravity of the 10-day mission.

Social media is flooded with similar sentiments of collective awe: "how lucky are we to witness history? artemis II has been so amazing to keep up with," one person wrote on X.

"This is the best thing we’ve all gotten to experience together in a really long time, and it feels wonderful," another said.

In addition to Artemis II being the first crewed trip to orbit the moon since the Apollo missions ended more than five decades ago, it is also the first mission of its kind to occur in the age of social media.

'What a time to be alive.' See how people are celebrating Artemis II

Many social media users are saying Artemis II has restored their faith in humanity or sparked unbridled joy.

Some noted how historic and significant the mission is, especially for women and girls.

Carroll crater brings some to tears

Six years after Artemis II Commander Reid Wiseman's wife Carroll died from cancer, the crew paid tribute to her when it came time to name a crater on the moon's surface.

"We would like to call it Carroll," said mission specialist Jeremy Hansen, his voice cracking as Wiseman patted his shoulder and wiped his tears.

Many watching from home have shared in the emotional moment on social media.

Artemis II crew's family reacts on social media

Family members of the Artemis II crew – Reid Wiseman, Christina Koch and Victor Glover of NASA, and Jeremy Hansen of the Canadian Space Agency – have also joined the collective online celebration.

"When your dad successfully pilots Artemis II halfway to the moon," Glover's daughter Maya wrote on a TikTok video that has been viewed more than 10 million times as of April 7.

"We love you dad," she wrote on another TikTok video, featuring a compilation of photos of her dad and family.

Wiseman's daughter Katey took to Instagram to share a carousel of photos from the mission's launch.

"To the moon and back," she wrote. "Love you, Dad."

Alongside a video on her Instagram story of the crew naming the Carroll crater, Katey Wiseman wrote, "Absolutely unreal."

Hansen's son Devon also shared a lengthy tribute to his dad on Instagram.

"It’s hard to describe what it feels like to watch the man you respect most in the world climb into a space capsule and fly off into orbit," he wrote.

Hansen's wife, Dr. Catherine Hansen, has been posting updates on her Instagram account throughout the mission.

"Unbelievably proud of the entire Artemis II team!! Emotional & filled with immense gratitude," she wrote on launch day.

Melina Khan is a national trending reporter for USA TODAY. She can be reached at [email protected].