Atlas Archives - Projeda

How Do We Know The Earth Is Round? [Astronomy Basics]

How do we know the Earth is round? Unfortunately, probably due to the decreasing educational standard in North America, this question has — since it was demonstrated scientifically beyond doubt thousands of years ago — once again risen to prominance. […]

Ancient Astronomy

Ancient Astronomy explores the roots of the study of the stars, as far back as they are documented in the historical record. From the early seafarers, to the Sumerians who first documented the positions of the stars, the Babylonians and […]

Understanding The Sky Above

From our perspective on the surface of the Earth, looking upwards to the Heavens, and the Sky Above, everything that our senses tell us at first glance is that we are in the center of the universe — every shining […]

Observing The Stars — The Birth of Astronomy

Thinking Ahead Much to your surprise, a member of the Flat Earth Society moves in next door. He believes that Earth is flat and all the NASA images of a spherical Earth are either faked or simply show the round […]

Astronomy Introduction Further Reading

[For Further Reading] Articles Bakich, M., et al. “101 Cosmic Objects You Must See.” Astronomy (January 2022): 6. Talcott, R. “30 Years of Hubble’s Greatest Hits.” Astronomy (March 2020): 18. Books Miller, Ron, and William Hartmann. The Grand Tour: A […]

A Conclusion and a Beginning

[1.9 A Conclusion and a Beginning] If you are new to astronomy, you have probably reached the end of our brief tour in this chapter with mixed emotions. On the one hand, you may be fascinated by some of the […]

The Universe of the Very Small

[1.8 The Universe of the Very Small] The foregoing discussion has likely impressed on you that the universe is extraordinarily large and extraordinarily empty. On average, it is 10,000 times more empty than our Galaxy. Yet, as we have seen, […]

The Universe on the Large Scale

[1.7 The Universe on the Large Scale] In a very rough sense, you could think of the solar system as your house or apartment and the Galaxy as your town, made up of many houses and buildings. In the twentieth […]

A Tour of the Universe

[1.6 A Tour of the Universe] We can now take a brief introductory tour of the universe as astronomers understand it today to get acquainted with the types of objects and distances you will encounter throughout the text. We begin […]

Astronomy [Book]

The Astronomy [Book] is a complete guide to astronomy at a university level.