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Solar sails pushed by powerful lasers could reach incredible speeds, but relativity may eventually make the light itself work against them. At around 75% of the speed of light, scattered photons can begin creating drag, adding a surprising obstacle to interstellar travel.
We haven't written up this one. ScienceDaily has the full story — the link below goes straight to it.
Spacecraft famously have small bits of them disintegrate on reentry. That’s by design, as it is one of the easiest solutions to absorbing the incredible amounts of energy they experience.
Presentation | Grades 6-12+ | This presentation by Dr. Jared Espley explains how the Sun sends a stream of charged particles called the solar wind.
Recent weather patterns have seen temperature records going back to 1995 tumble
Research suggests vitamin B12 in both parents may lower birth-defect risk, while folic acid is vital before and during pregnancy.
High above Earth, thin veils of metallic haze drift through the edge of space. Known as sporadic E layers, these high-altitude “clouds” form from the vaporized dust of burnt-up meteors, earning their…
High above Earth, thin veils of metallic haze drift through the edge of space. Known as sporadic E layers, these high-altitude “clouds” form from the vaporized dust of burnt-up meteors, earning their…
