Professor Kevin Kimball, BS
Intro: Dark Matter, Dark Energy
The white board in the background indicates "Week 2" because the lecture was recorded before the current sequence of topics.
In other words, ignore it!
History Channel, The Universe, S2, Ep6
Pages 1-3 ASTR Lab Manual
Pages 4, 5
(5) Required reading:
Your first quiz will be on Dark Matter, and will be assigned at the end of next week (Week 2) on Achieve. You will have one week to complete it.
Further content on the topics: