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OpenStem
@openstem · Joined Jul 2026
7420 public items8 groups
Collection3 items
01Astronomy · L2 · Tides and the Moon's Pull
02Astronomy · L2 · Tides and the Moon's Pull
03Astronomy · L2 · Tides and the Moon's Pull
Astronomy · L2 · Tides and the Moon's Pull
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Astronomy · L2 · Tides and the Moon's PullCollection3 items
01Astronomy · L2 · Navigating the Night Sky
02Astronomy · L2 · Navigating the Night Sky
03Astronomy · L2 · Navigating the Night Sky
Astronomy · L2 · Navigating the Night Sky
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Astronomy · L2 · Navigating the Night SkyCollection3 items
01Astronomy · L2 · Near-Earth Objects and Impact Risk
02Astronomy · L2 · Near-Earth Objects and Impact Risk
03Astronomy · L2 · Near-Earth Objects and Impact Risk
Astronomy · L2 · Near-Earth Objects and Impact Risk
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Astronomy · L2 · Near-Earth Objects and Impact RiskCollection4 items
01Astronomy · L2 · Auroras and Earth's Magnetosphere
02Astronomy · L2 · Auroras and Earth's Magnetosphere
03Astronomy · L2 · From Solar Wind to Aurora
+1 moreAstronomy · L2 · Auroras and Earth's Magnetosphere
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Astronomy · L2 · Auroras and Earth's MagnetosphereCollection4 items
01Astronomy · L2 · Satellite Orbits and GPS
02Astronomy · L2 · Satellite Orbits and GPS
03Astronomy · L2 · How GPS Trilateration Works
+1 moreAstronomy · L2 · Satellite Orbits and GPS
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Astronomy · L2 · Satellite Orbits and GPSCollection3 items
01Astronomy · L2 · Radio Astronomy Basics
02Astronomy · L2 · Radio Astronomy Basics
03Astronomy · L2 · Radio Astronomy Basics
Astronomy · L2 · Radio Astronomy Basics
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Astronomy · L2 · Radio Astronomy BasicsCollection4 items
01Astronomy · L2 · The Copernican Revolution
02Astronomy · L2 · The Copernican Revolution
03Astronomy · L2 · Timeline of the Copernican Revolution
+1 moreAstronomy · L2 · The Copernican Revolution
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Astronomy · L2 · The Copernican RevolutionCollection4 items
01Astronomy · L2 · Mars in Depth
02Astronomy · L2 · Mars in Depth
03Astronomy · L2 · Timeline of Mars Rover Missions
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Astronomy · L2 · Mars in DepthCollection4 items
01Astronomy · L2 · Comparative Planetology
02Astronomy · L2 · Comparative Planetology
03Astronomy · L2 · Venus's Runaway Greenhouse Effect
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Astronomy · L2 · Comparative PlanetologyCollection4 items
01Astronomy · L2 · Star Clusters
02Astronomy · L2 · Star Clusters
03Astronomy · L2 · How Star Clusters Form and Change Over Time
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Astronomy · L2 · Star ClustersCollection3 items
01Astronomy · L2 · Light Pollution and Dark Skies
02Astronomy · L2 · Light Pollution and Dark Skies
03Astronomy · L2 · Light Pollution and Dark Skies
Astronomy · L2 · Light Pollution and Dark Skies
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Astronomy · L2 · Light Pollution and Dark SkiesCollection4 items
01Astronomy · L2 · The Life Cycle of Stars
02Astronomy · L2 · The Life Cycle of Stars
03Astronomy · L2 · A Star's Life, From Birth to Death
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Astronomy · L2 · The Life Cycle of StarsCollection4 items
01Astronomy · L2 · How the Solar System Formed
02Astronomy · L2 · How the Solar System Formed
03Astronomy · L2 · The Nebular Hypothesis
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Astronomy · L2 · How the Solar System FormedCollection4 items
01Astronomy · L2 · Space Telescopes
02Astronomy · L2 · Space Telescopes
03Astronomy · L2 · Why Astronomers Launch Telescopes Into Space
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Astronomy · L2 · Space TelescopesCollection4 items
01Astronomy · L2 · Eclipse Mechanics: Umbra, Penumbra, and Types
02Astronomy · L2 · Eclipse Mechanics: Umbra, Penumbra, and Types
03Astronomy · L2 · Umbra, Penumbra, and Eclipse Type
+1 moreAstronomy · L2 · Eclipse Mechanics: Umbra, Penumbra, and Types
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Astronomy · L2 · Eclipse Mechanics: Umbra, Penumbra, and TypesCollection4 items
01Astronomy · L2 · The Asteroid Belt and Kuiper Belt
02Astronomy · L2 · The Asteroid Belt and Kuiper Belt
03Astronomy · L2 · Two Belts, Two Kinds of Leftover Material
+1 moreAstronomy · L2 · The Asteroid Belt and Kuiper Belt
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Astronomy · L2 · The Asteroid Belt and Kuiper BeltCollection6 items
01Astronomy · L3 · Hubble's Law: Recession Velocity vs Distance
02Astronomy · L3 · Exoplanet Transit Light Curve
03Astronomy · L3 · Tidal Cycle: y = sin(b·x)
+3 moreAstronomy · L3 · Visualised Universe
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Astronomy · L3 · Visualised UniverseCollection3 items
01Astronomy · L3 · Kepler's Laws & Orbital Mechanics
02Astronomy · L3 · Kepler's Laws & Orbital Mechanics
03Astronomy · L3 · Kepler's Laws & Orbital Mechanics
Astronomy · L3 · Kepler's Laws & Orbital Mechanics
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Astronomy · L3 · Kepler's Laws & Orbital MechanicsCollection3 items
01Astronomy · L3 · Newtonian Gravitation
02Astronomy · L3 · Newtonian Gravitation
03Astronomy · L3 · Newtonian Gravitation
Astronomy · L3 · Newtonian Gravitation
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Astronomy · L3 · Newtonian GravitationCollection3 items
01Astronomy · L3 · Stellar Classification
02Astronomy · L3 · Stellar Classification
03Astronomy · L3 · Stellar Classification
Astronomy · L3 · Stellar Classification
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Astronomy · L3 · Stellar ClassificationCollection4 items
01Astronomy · L3 · Stellar Evolution
02Astronomy · L3 · Stellar Evolution
03Astronomy · L3 · Stellar Evolution by Initial Mass
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Astronomy · L3 · Stellar EvolutionCollection4 items
01Astronomy · L3 · The Big Bang & Cosmology
02Astronomy · L3 · The Big Bang & Cosmology
03Astronomy · L3 · Timeline of the Early Universe
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Astronomy · L3 · The Big Bang & CosmologyCollection3 items
01Astronomy · L3 · Dark Matter & Dark Energy
02Astronomy · L3 · Dark Matter & Dark Energy
03Astronomy · L3 · Dark Matter & Dark Energy
Astronomy · L3 · Dark Matter & Dark Energy
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Astronomy · L3 · Dark Matter & Dark EnergyCollection4 items
01Astronomy · L3 · Galaxy Types & the Milky Way
02Astronomy · L3 · Galaxy Types & the Milky Way
03Astronomy · L3 · The Hubble Classification of Galaxies
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Astronomy · L3 · Galaxy Types & the Milky WayCollection4 items
01Astronomy · L3 · Exoplanet Detection
02Astronomy · L3 · Exoplanet Detection
03Astronomy · L3 · Choosing an Exoplanet Detection Method
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Astronomy · L3 · Exoplanet DetectionCollection3 items
01Astronomy · L3 · The EM Spectrum in Astronomy
02Astronomy · L3 · The EM Spectrum in Astronomy
03Astronomy · L3 · The EM Spectrum in Astronomy
Astronomy · L3 · The EM Spectrum in Astronomy
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Astronomy · L3 · The EM Spectrum in AstronomyCollection3 items
01Astronomy · L3 · Spectroscopy & Redshift
02Astronomy · L3 · Spectroscopy & Redshift
03Astronomy · L3 · Spectroscopy & Redshift
Astronomy · L3 · Spectroscopy & Redshift
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Astronomy · L3 · Spectroscopy & RedshiftCollection3 items
01Astronomy · L3 · Black Holes & Neutron Stars
02Astronomy · L3 · Black Holes & Neutron Stars
03Astronomy · L3 · Black Holes & Neutron Stars
Astronomy · L3 · Black Holes & Neutron Stars
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Astronomy · L3 · Black Holes & Neutron StarsCollection4 items
01Astronomy · L3 · Habitable Zones & the Search for Life
02Astronomy · L3 · Habitable Zones & the Search for Life
03Astronomy · L3 · The Drake Equation Factor Chain
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Astronomy · L3 · Habitable Zones & the Search for LifeCollection4 items
01Astronomy · L3 · The Cosmic Distance Ladder
02Astronomy · L3 · The Cosmic Distance Ladder
03Astronomy · L3 · The Cosmic Distance Ladder
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Astronomy · L3 · The Cosmic Distance Ladder