Astronomy - Topics

Astrophotography starter guide: shooting the night sky The science of black holes explained The multiverse theory: science or speculation? What is dark matter and why can't we find it? What is the winter solstice and why does it matter? What happens inside a black hole? What is a supermoon and how often does it happen? Can we terraform Mars? Are we alone in the universe? How did the Maya develop their calendar? What is the Fermi paradox? Why astronomy images are usually composites of several wavelengths Kepler's elliptical orbits overturned two thousand years of assumptions about perfect celestial motion Paleography is the unglamorous skill behind every claim about Arabic astronomy How did ancient civilizations track time? Female computers at observatories did the calculations that made the discoveries possible Why telescope time on a shared instrument is priced in nights rather than in money How cosmic microwave background radiation became a map of the early universe Why the rotation curve of a galaxy implies dark matter What actually goes into reading a natal chart? Stratospheric balloons still buy cheap access to the edge of space for instrument teams What Galileo actually saw through his telescope in 1610 and what he could not resolve Why do serious astrologers care more about aspects than signs? Why every element heavier than helium was forged inside a star Your star sign is off by one: the zodiac starts with Aries while the Sun sits in Pisces in late March What happens to time near the event horizon of a black hole? What do astrologers mean by a house system and why are there so many? Why megaprojects like fusion and space telescopes crowd out small grants How gravitational waves revealed black holes merging across the universe Galileo's moons of Jupiter gave Copernicans an argument they had not possessed before Why steady state cosmology lost to the big bang What a 30-second backyard exposure shows that the eye never sees