Spherical Astronomy: trigonometry and stellar applications

Spherical Astronomy: trigonometry and stellar applications

Spherical Astronomy: trigonometry and stellar applications is a 10-hour course in which you will learn everything regarding this area of astronomy - from plane trajectories, to sunsets, twilights, the celestial sphere and all the way to the movement of stars, distances and travel times.

This course is addressed to learners of all ages, with the difficulty level slightly increasing throughout the lectures. Also, no previous knowledge of astronomy is necessary; however, basic mathematical operations will be used intensively, so it's best if you are somewhat acquainted with those.

Besides your intuition and imagination, a hand calculator could become a priceless resource. A pair of compasses and a ruler might also come in handy, but they are not mandatory.

The course consists of 40 lessons focused on various aspects of this field, with a couple of exercise assignments in between.

By the end of it you will learn useful ways of determining your position on Earth, how to calculate sunset times, distances between stars and where stars will be at any set moment, as well as the time on your watches with respect to the current sky and much more... (P.S. even the image of this course is an illustration of a spherical astronomy effect)

If you are fascinated or at least interested in astronomy, the oldest science in the world, then this course is a perfect starting point for you. Hope you'll enjoy!

All you need to know about spherical astronomy

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What you will learn

• Planar and spherical trigonometry
• Determination of flight paths and distances on a sphere
• The celestial sphere

Rating: 4.3

Level: All Levels

Duration: 7 hours

Instructor: Traian Rareș Tuș