OS
OpenStem
@openstem · Joined Jul 2026
7420 public items8 groups
Flowchart15 objects
Astronomy · L4 · From incoming sunlight to surface temperature: the energy-balance pathway
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Astronomy · L4 · From incoming sunlight to surface temperature: the energy-balance pathwayFlowchart9 objects
Astronomy · L2 · Timeline of the Copernican Revolution
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Astronomy · L2 · Timeline of the Copernican RevolutionFlowchart7 objects
Astronomy · L2 · Timeline of Mars Rover Missions
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Astronomy · L2 · Timeline of Mars Rover MissionsFlowchart14 objects
Astronomy · L2 · Venus's Runaway Greenhouse Effect
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Astronomy · L2 · Venus's Runaway Greenhouse EffectFlowchart13 objects
Astronomy · L2 · How Star Clusters Form and Change Over Time
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Astronomy · L2 · How Star Clusters Form and Change Over TimeFlowchart13 objects
Astronomy · L2 · A Star's Life, From Birth to Death
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Astronomy · L2 · A Star's Life, From Birth to DeathFlowchart9 objects
Astronomy · L2 · The Nebular Hypothesis
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Astronomy · L2 · The Nebular HypothesisFlowchart12 objects
Astronomy · L4 · From decades of astrometry to a supermassive black hole
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Astronomy · L4 · From decades of astrometry to a supermassive black holeFlowchart7 objects
Astronomy · L2 · Why Astronomers Launch Telescopes Into Space
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Astronomy · L2 · Why Astronomers Launch Telescopes Into SpaceFlowchart11 objects
Astronomy · L2 · Umbra, Penumbra, and Eclipse Type
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Astronomy · L2 · Umbra, Penumbra, and Eclipse TypeFlowchart10 objects
Astronomy · L2 · Two Belts, Two Kinds of Leftover Material
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Astronomy · L2 · Two Belts, Two Kinds of Leftover MaterialFlowchart21 objects
Astronomy · L3 · Stellar Evolution by Initial Mass
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Astronomy · L3 · Stellar Evolution by Initial MassFlowchart15 objects
Astronomy · L3 · Timeline of the Early Universe
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Astronomy · L3 · Timeline of the Early UniverseFlowchart13 objects
Astronomy · L3 · The Hubble Classification of Galaxies
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Astronomy · L3 · The Hubble Classification of GalaxiesFlowchart15 objects
Astronomy · L3 · Choosing an Exoplanet Detection Method
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Astronomy · L3 · Choosing an Exoplanet Detection MethodFlowchart15 objects
Astronomy · L3 · The Drake Equation Factor Chain
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Astronomy · L3 · The Drake Equation Factor ChainFlowchart13 objects
Astronomy · L4 · Assessing a candidate biosignature gas
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Astronomy · L4 · Assessing a candidate biosignature gasFlowchart15 objects
Astronomy · L4 · What Supports the Core?
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Astronomy · L4 · What Supports the Core?Flowchart13 objects
Astronomy · L3 · The Cosmic Distance Ladder
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Astronomy · L3 · The Cosmic Distance LadderFlowchart15 objects
Astronomy · L3 · From Solar Wind to Auroral Light
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Astronomy · L3 · From Solar Wind to Auroral LightFlowchart13 objects
Astronomy · L3 · Strong Lensing or Weak Lensing?
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Astronomy · L3 · Strong Lensing or Weak Lensing?Flowchart16 objects
Astronomy · L3 · Assessing an Asteroid Impact Hazard
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Astronomy · L3 · Assessing an Asteroid Impact HazardFlowchart9 objects
Astronomy · L3 · Five Paradigm Shifts in Astronomy
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Astronomy · L3 · Five Paradigm Shifts in AstronomyFlowchart9 objects
Astronomy · L3 · From Molecular Cloud Core to Planetary System
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Astronomy · L3 · From Molecular Cloud Core to Planetary SystemFlowchart13 objects
Astronomy · L3 · Right Ascension or Declination?
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Astronomy · L3 · Right Ascension or Declination?Flowchart14 objects
Astronomy · L3 · From Molecular Cloud to Star
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Astronomy · L3 · From Molecular Cloud to StarFlowchart11 objects
Astronomy · L3 · Regular Moon or Irregular Moon?
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Astronomy · L3 · Regular Moon or Irregular Moon?Flowchart13 objects
Astronomy · L3 · Which Type of Nebula?
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Astronomy · L3 · Which Type of Nebula?Flowchart23 objects
Astronomy · L4 · The Solar System: planets, asteroid belt, and Kuiper Belt
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Astronomy · L4 · The Solar System: planets, asteroid belt, and Kuiper BeltFlowchart24 objects
Astronomy · L4 · Stellar life cycle: from protostar to white dwarf, neutron star, or black hole
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Astronomy · L4 · Stellar life cycle: from protostar to white dwarf, neutron star, or black hole