Space launches

Virgin Orbit Boeing 747-400 rocket launch platform, named Cosmic Girl, takes off from Mojave Air and Space Port, Mojave (MHV) on its second orbital launch demonstration in the Mojave Desert, north of Los Angeles. (AP Photo/Matt Hartman)

In this image from video made available by Blue Origin, the company's New Shepard rocket lands after a test flight in West Texas on Thursday, Jan. 14, 2021. (Blue Origin via AP)

In this photo released by Xinhua News Agency, recovery crew members film the capsule of the Chang'e 5 probe after its successful landed in Siziwang district, north China's Inner Mongolia Autonomous Region on Thursday, Dec. 17, 2020. A Chinese lunar capsule returned to Earth on Thursday with the first fresh samples of rock and debris from the moon in more than 40 years. (Ren Junchuan/Xinhua via AP)

FILE - In this May 30, 2020, file photo, a SpaceX Falcon 9, with NASA astronauts Doug Hurley and Bob Behnken in the Dragon crew capsule, lifts off from Pad 39-A at the Kennedy Space Center in Cape Canaveral, Fla. For the first time in nearly a decade, astronauts blasted towards orbit aboard an American rocket from American soil, a first for a private company. (AP Photo/John Raoux, File)

A SpaceX Falcon 9 rocket on a resupply mission to the International Space Station lifts off from pad 39A at the Kennedy Space Center in Cape Canaveral, Fla., Sunday, Dec. 6, 2020. (AP Photo/John Raoux)

FILE - This artist's rendering provided to China's Xinhua News Agency on Aug. 23, 2016, by the lunar probe and space project center of Chinese State Administration of Science, Technology and Industry for National Defense, shows a concept design for the Chinese Mars 2020 rover and lander. China's landing of its third probe on the moon is part of an increasingly ambitious space program that has a robot rover en route to Mars, is developing a reusable space plane and plans to put humans back on the lunar surface. (Chinese State Administration of Science, Technology, and Industry for National Defense via Xinhua via AP, File)

In this photo released by Xinhua News Agency, a screen shows the landed Chang'e-5 spacecraft and a moon surface picture, below, taken by camera aboard Chang'e-5 spacecraft during its landing process, at Beijing Aerospace Control Center (BACC) in Beijing on Tuesday, Dec. 1, 2020. A Chinese spacecraft landed on the moon Tuesday to bring back lunar rocks to Earth for the first time since the 1970s, the government announced. (Jin Liwang/Xinhua via AP)

A Long March-5 rocket carrying the Chang'e 5 lunar mission lifts off at the Wenchang Space Launch Center in Wenchang in southern China's Hainan Province, early Tuesday, Nov. 24, 2020. China launched an ambitious mission on Tuesday to bring back material from the moon's surface for the first time in more than 40 years — an undertaking that could boost human understanding of the moon and of the solar system more generally. (AP Photo/Mark Schiefelbein)

A Long March-5 rocket carrying the Chang'e 5 lunar mission lifts off at the Wenchang Space Launch Center in Wenchang in southern China's Hainan Province, early Tuesday, Nov. 24, 2020. China launched an ambitious mission on Tuesday to bring back material from the moon's surface for the first time in more than 40 years — an undertaking that could boost human understanding of the moon and of the solar system more generally. (AP Photo/Mark Schiefelbein)