Space can be a wondrous place ... Pictured here, a Day-Night Band image from NOAA's JPSS Program satellites, showing Earth's northern hemisphere from above, crowned in a ring of aurora borealis.
Astronauts aboard the ISS experience 16 day-night cycles in a single Earth ... to maintain both mental and physical health in space. On Earth, humans use the Sun's rising and setting as cues ...
researchers may be unable to collect enough data to confirm the new hypothesis before the space rock disappears. It is currently unclear if 2024 PT5 will reenter a temporary orbit around Earth ...