How we know what objects in the Sky are MADE of - Astronomy at West - Stars 4A
Jahiggins
1350 views
Concepts: Spectral Lines, Emission Lines, Absorption Lines
--------------
...
Observing Caterpillars
MsEzzell
1700 views
Here's an enthusiastic video of second graders enjoying measuring, sketching...
Summary Revision Tutorial (Succinct)
MrDerekKrause
1791 views
Revising a summary (using Tuvia Bolton's "The Artist")
Making a summary mor...
Exoplanets and how we detect them - Astronomy at West - Solar System 3F
Jahiggins
594 views
Concepts: Exoplanet, Transit, Wobble (astrometry), direct imaging
---------...