Scientists “truly astonished” by discovery that challenges Earth’s origin story
A new study suggests Earth formed almost entirely from material in the inner Solar System, challenging the idea that water-rich material from beyond Jupiter played a major role. If correct, Earth’s water may have been present much closer to the young Sun than scientists previously thought.
Scientists have revealed that time moves faster on Mars than on Earth, with a clock on Mars ticking 477 microseconds faster per day compared to a clock on Earth. The study, conducted by physicists at the US National Institute of Standards and Technology, examined the difference in timekeeping between Mars, Earth, and the Moon. Factors such as Mars' weaker surface gravity and its longer 687-day year contributed to the complexity of the calculations.
Mars' day, called a sol, lasts about 24 hours, 39 minutes and 35 seconds, which is roughly 39.5 minutes longer than an Earth day. This discrepancy in timekeeping will pose challenges for future missions and human habitation on Mars, as it will require synchronization of spacecraft systems and human circadian rhythms.
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