Astronomy Basics
Astronomy is the study of everything in the Universe beyond Earth's atmosphere. That includes objects we can see with our naked eyes, like the Moon, planets, and stars. It also includes objects we can only see with telescopes or binoculars, like distant galaxies and nebulae. But it doesn’t take much skill or equipment to get started with stargazing or amateur astronomy, and you can do it almost anywhere. Here you'll learn all the essential things about astronomy that will help you to pave the way into the world of stargazing.
Spring and Autumn Equinox in Pictures – Science, Meaning & Next Events
Equinox meaning explained in pictures: see how spring and autumn equinoxes work, why day and night aren’t exactly equal, and how seasons change.
Astronomy Trivia: Equinox and Solstice – What's the Difference?
Only 10% of people can get the top score in this tricky quiz about equinoxes and solstices! 🌝🌏Test your knowledge and and see whether you can join them.
Spring Equinox 2026: When Is the First Day of Spring in the Southern Hemisphere?
When does spring start in 2026? In the Southern Hemisphere, it begins on September 23, 2026, at 00:06 GMT. See exact times for Australia, New Zealand, South America, and more.
First Day of Autumn 2026: Fall Equinox Date & Time
When does autumn begin in 2026? Why aren’t day and night truly equal on the fall equinox? And why doesn’t it always fall on the same date? Find out here!
What Is an Equinox: Definition & Next Equinox Dates 2026
Get to know equinoxes! Find out when the next equinox will be in 2026, why day and night are nearly equal at an equinox, and how it marks the change of seasons.
Zodiacal Light: What It Is and When to See It in 2026
What is zodiacal light? Learn when and where to see false dawn or false dusk, how to recognize it, and which dates to choose in 2026.
Planetary Oppositions 2026: Next Up Is Neptune
The best time to view most planets is at the astronomical opposition. Find out what it means and when to see the upcoming oppositions.
Lunar Eclipses Guide: What Does a Lunar Eclipse Look Like, and How Often Does It Happen?
What causes lunar eclipses? How often do they happen? When is the next one? Get answers to these and other questions from our article.
20 Questions About Solar and Lunar Eclipses: True or False?
Answer 20 true-or-false questions about solar and lunar eclipses. Check the answers and discover surprising facts about these celestial events.
Mercury & Venus Greatest Elongations in 2026: Best Morning and Evening Views
What is elongation, and what does it have to do with the planets’ visibility in the sky? Get familiar with the concept of elongation and learn how to choose the perfect time to observe the planets!