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Orbital Mechanics
With a waning Moon and a denser-than-ever debris trail, 2025's Geminids might be the year's best meteor shower, and 2026's could be amazing.
On December 9, 2023, Halley's Comet reached aphelion: its farthest point from the Sun. As it returns, here are 10 facts you should know.
Only 17 years after its discovery have we learned we’re safe from asteroid Apophis. Ever since its 2004 discovery, asteroid 99942 Apophis has threatened planet Earth. Asteroid Apophis has been measured […]
At its biggest for the next 15 years, it’s still much smaller than the Moon. On October 6, 2020, Mars makes its closest approach to Earth until 2035. Earth orbits in […]
And one of our planets has the orbiting moons to prove it. Despite the dangers posed to planet Earth by a comet or asteroid strike, our Solar System is actually an […]
It’s a problem that we still haven’t solved, and it spells doom for all of our low-Earth orbiting satellites, even today. On October 4th, 1957, the Soviet Union launched Sputnik 1, […]
And if we don’t prepare to catch it now, it’ll be too late. Since 1990, the Hubble Space Telescope has been redefining how we view our Universe. From hundreds of miles […]