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Astronomical Calendar
If you're looking for what's happening in the night sky tonight, this isn't the place. Here you'll find articles to help you understand broad astronomical calendar terms, like what solistice and equinox means and when it occurs. You'll find information on things like Julian days, epochs, Saros cycles and more. Step inside if you're curious.... |
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Astronomical Terms
Do you have questions about what a particular astronomical term means? Then you've come to the right place for an answer. If you haven't found what you're looking for in other areas of the "Information Highway", chances are you'll find it here. Do you want to know what an ephemeris is? How about the Jupiter effect? What exactly is "first light" or a "fixed star"? Don't be afraid to be curious.... |
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Current Moon Phase
Are you curious about what the current Moon phase is? Step inside... We have what you need.... |
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NASA News
NASA is an investment in America's future. As explorers, pioneers, and innovators, we boldly expand frontiers in air and space to inspire and serve America and to benefit the quality of life on Earth. Here you will find the latests news and great things NASA shares.... |
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Satellites
They power our communications, our entertainment and affect almost every aspect of our daily lives. What's more satellites can also be a very fun astronomy target, too! If you want more information on satellites, like how to observe them, track them, what they are, their history and more, this is the place to find it.... |
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Star Charts
Star charts... They're your roadmap to the heavens! There's many wonderful resources for exploring the night sky and we're here to help you along. Inside the OPT Starchart Library you'll find cool gadgets like the Starry Nights tool, links to places to help you generate star charts, information on how to use charts and atlases, history on how they came about and much more! Step inside.... |
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Sun and Earth
Have you ever wondered what it would be like to follow the path of the shadow of darkness as it travels around the Earth? Do you hunger for knowlege of where the Earth's auroral oval is tonight? Would you like to know more about the Solstice and Equinox? Then the Sun and Earth Information Highway Library is where you'll find it... |
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Telescope Basics - Information
Here you will find very general information on telescope basics... |
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Weather Information
Just as important to astronomy as equipment is choosing the right weather conditions to observe in. If you want to know more about the weather, be it local or world cloud cover, this is the place to learn and to get the news. Step inside the weather library.... |
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World Time Information
Astronomical events depend on the correct time and the correct time is usually expressed as Universal Time. Here's some easy calculators and tools to help you be accurate.... And on time! |
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