Atlas Archive
[4.3] Keeping Time [OpenStax]
Learning Objectives By the end of this section, you will be able to: The measurement of time is based on the rotation of Earth. Throughout most of human history, time has been reckoned by positions of the Sun and stars […]
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[4.2] The Seasons [OpenStax]
Learning Objectives By the end of this section, you will be able to: One of the fundamental facts of life at Earth’s midlatitudes, where most of this book’s readers live, is that there are significant variations in the heat we […]
Continue ReadingIntroduction To Python Programming [Openstax]
Figure 1.1 Credit: Larissa Chu, CC BY 4.0 Chapter Outline Introduction Computers and programs are everywhere in today’s world. Programs affect many aspects of daily life and society as a whole. People depend on programs for communication, shopping, entertainment, health […]
Continue ReadingChapter 4 — Earth, Moon, and Sky [OpenStax]
Chapter Outline Thinking Ahead If Earth’s orbit is nearly a perfect circle (as we saw in earlier chapters), why is it hotter in summer and colder in winter in many places around the globe? And why are the seasons in […]
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[4.1] Earth and Sky [OpenStax]
Learning Objectives By the end of this section, you will be able to: In order to create an accurate map, a mapmaker needs a way to uniquely and simply identify the location of all the major features on the map, […]
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[3.6] Gravity with More Than Two Bodies
Learning Objectives By the end of this section, you will be able to: Until now, we have considered the Sun and a planet (or a planet and one of its moons) as nothing more than a pair of bodies revolving […]
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[3.5] Motions of Satellite and Spacecraft [OpenStax]
Learning Objectives By the end of this section, you will be able to: Newton’s universal law of gravitation and Kepler’s laws describe the motions of Earth satellites and interplanetary spacecraft as well as the planets. Sputnik, the first artificial Earth […]
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[3.4] Orbit’s In The Solar System [OpenStax]
Learning Objectives By the end of this section, you will be able to: Recall that the path of an object under the influence of gravity through space is called its orbit, whether that object is a spacecraft, planet, star, or […]
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[3.3] Newton’s Universal Law of Gravitation [OpenStax]
Learning Objectives By the end of this section, you will be able to: Newton’s laws of motion show that objects at rest will stay at rest and those in motion will continue moving uniformly in a straight line unless acted […]
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[3.2] Newton’s Great Synthesis [OpenStax]
Learning Objectives By the end of this section, you will be able to: It was the genius of Isaac Newton that found a conceptual framework that completely explained the observations and rules assembled by Galileo, Brahe, Kepler, and others. Newton […]
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