19 episodes

Astronomy 001, Section 005 is a web-based course, complete with online presentations, interactive media, and video demonstrations. This course covers everything from mankind’s first understanding of the heavens out to other planets, galaxies, and the edge of the known Universe!

Astronomy 001 Pennsylvania State University

    • Science

Astronomy 001, Section 005 is a web-based course, complete with online presentations, interactive media, and video demonstrations. This course covers everything from mankind’s first understanding of the heavens out to other planets, galaxies, and the edge of the known Universe!

    • video
    01 - Introduction

    01 - Introduction

    An introduction to the ASTR 001 online course, with a brief description of the format of the course and the various assignments.

    • 5 min
    • video
    02 - Rotation & Revolution

    02 - Rotation & Revolution

    A demonstration of the difference between a sidereal day and a solar day. This difference occurs due to the fact that Earth rotates about its axis while also revolving around the Sun.

    • 2 min
    • video
    03 - Galileo's Experiment

    03 - Galileo's Experiment

    A demonstration recreating Galileo’s experiment, where he dropped two objects of different masses, to see which would hit the ground first.

    • 1 min
    • video
    04 - Newton’s First Law – the Tablecloth Trick

    04 - Newton’s First Law – the Tablecloth Trick

    A demonstration of Newton’s First Law. As a tablecloth is pulled out from under a place setting, the place setting remains unmoved.

    • 1 min
    • video
    05 - Newton’s First Law – Ball & String

    05 - Newton’s First Law – Ball & String

    A demonstration of Newton’s First Law. A ball is swung in circular motion, then let go, demonstrating that when no forces act upon an object, it will move in a straight line.

    • 1 min
    • video
    06 - Blackbody Radiation

    06 - Blackbody Radiation

    A demonstration of two laws that govern blackbody radiation. As a stove top becomes hotter, it radiates first in infrared, then red (visible) light. Comparing two stove top burners, given two burners at the same temperature, the one with the larger surface area will boil water faster.

    • 4 min

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