Most think a day is 24 hours, but Earth’s true spin—its sidereal day—is actually 23 hours, 56 minutes, and 4 seconds. This hidden celestial clock runs 4 minutes faster than our solar day, guiding astronomers, satellites, and stargazers alike, aligning us with the stars—not the Sun.
Astronaut Sunita Williams’ 2024 mission turned into an unexpected ordeal when technical failures left her stranded in space. NASA and SpaceX devised a plan for her safe return in 2025. Her prolonged stay contributed to vital research on space travel’s physical and psychological impacts, marking a historic moment in exploration.
Discover the Nancy Grace Roman Space Telescope, NASA’s revolutionary mission set to unveil the universe’s greatest mysteries. From searching for exoplanets to exploring dark energy, this cutting-edge telescope will transform our understanding of the universe.