Dark MatterBig Bang TheorySizes of StarsTypes of StarsTypes of StarsDetecting Exoplanetscomets, meteors, and asteroidsThe sun (short) - nuclear fusionWhy is the solar system flat?VenusJupiter and SaturnPhases of the moonCrash Course Kids: the seasonsHow to convert metric units using the metric staircase.
Mass and InertiaDistance/Time Graphs
Calculating S/D/T
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Dark Energyspectrographs - what's in a star?Nebula FormationDistances in Space7 new planetsSolar SystemMarsUranus and NeptuneThe Sun's EnergyEclipsesRotation vs. RevolutionEclipses - shorterInertiaconservation of momentumNewton's 2nd Law |
Big Bang - simplifiedExpanding UniverseParallax and Measuring in Spacestar life cycleLife from StardustMercuryThe EarthThe Sun - in depthTidesWhy do we have seasons?Bill Nye Explains SeasonsSpeedconservation of momentum in spaceAvg. vs Instantaneous Speed
Speed vs. Velocity
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