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2 articles from ScienceNOW
Stowaways on NASA’s massive Moon rocket promise big science in small packages
When NASA’s most powerful rocket ever attempts its first flight this month, its highest profile payload will be three instrumented mannequins, setting off on a 42-day journey beyond the Moon and back. They are stand-ins for the astronauts that the 98-meter-tall rocket, known as the Space Launch System (SLS), is supposed to carry to the Moon as soon as 2025, as part of NASA’s Artemis...
Nuclear war would cause yearslong global famine
A nuclear war would disrupt the global climate so badly that billions of people could starve to death, according to what experts are calling the most expansive modeling to date of so-called nuclear winter. Although the exact effects remain uncertain, the findings underscore the dangers of nuclear war and offer vital insights about how to prepare for other global disasters, researchers...