Search Results | southern celestial hemisphere
Your search for "southern celestial hemisphere" returned 11 results
Is It Time to Redefine the Four Seasons of the Year?
The four seasons experienced by Earth's midlatitude regions are being gradually altered by global warming — but a climate expert says they won't completely go away.
How to Find Orion's Belt in the Night Sky
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Winter is the perfect time to look for Orion's Belt in the Northern Hemisphere. If you're new to stargazing, we'll show you how to find it.
5 Things You Didn't Know About the Autumnal Equinox
The autumnal equinox is the day Earth is perfectly angled to the sun, so the day and night are of equal length. Well, almost.
5 Things You Didn't Know About the Spring Equinox
The spring, or vernal, equinox traditionally marks the first day of spring — but climate scientists use a different date altogether. Find out more about this and other facts about the spring equinox.
Get Ready for the Quadrantids, the First Meteor Shower of the New Year
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The Quadrantids are a short but powerful meteor shower that shows up in early January. How can you glimpse it?
22 Astronomical Events to Look Out for in 2023
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Head's up, stargazers! Mark your calendars for the 22 must-see events this year.
Is Earth the Only Planet With Tectonic Plates?
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Some scientists think plate tectonics could be a prerequisite for life. So do they exist on other planets outside of Earth? HowStuffWorks finds out.
Planetarium
science.howstuffworks.com/dictionary/astronomy-terms/planetarium-info.htm
Planetarium, is an educational device for showing the locations and movements of the planets and other objects in the universe.
The Milky Way: Understanding Our Place in the Galaxy
science.howstuffworks.com/milky-way.htm
A look at the night sky at any time of year will reveal a faint band of light stretching across the sky -- our solar system's home, the Milky Way. How much do we really know about it?
How a Supernova Works
science.howstuffworks.com/supernova.htm
A dying star can explode with the force of a few octillion nuclear bombs and create any element in the universe. But why do stars go supernova?