This comprehensive list compiles 99 known Periodic Comets, providing each comet’s designation, orbital period in years, and the next predicted perihelion date. Use this resource to track appearances, plan observations, and learn the schedules and orbital characteristics of famous and lesser-known periodic visitors to the inner solar system.
Explore the 10 Smallest Objects in the Solar System, a compact guide to the tiniest moons, asteroids, comet nuclei, and minor bodies. This hub post summarizes each object’s size, location, and significance, and links to in-depth articles for further reading.
Explore 10 cosmic events that typically recur on roughly 100-year timescales — from long-returning comets and century meteor outbursts to rare solar and planetary cycles. This hub post summarizes each event and links to detailed guides so you can learn what they are, when they happen, and how to observe them.
This comprehensive list catalogs 23 Great Comets observed across history, providing each comet’s year, peak visual magnitude, and orbital period. Whether you’re an amateur skywatcher or a space enthusiast, consult this guide for key visibility data, historical context, observing tips, maps of notable apparitions, and notes on visibility from different hemispheres.
Comets are an important part of the Solar system. For example, it is very likely that comets are the reason…
Comets are some of the most spectacular objects to look at in the Solar system. They are basically giant snowballs…
Comets, planets, stars, and moons are famous for having really cool names inspired by mythology, art, nature, etc. They are…
What are comets? Comets are cosmic objects made of rock, ice, dust, and frozen gases. Comets travel around the Sun…
