Distances and Sizes in Astronomy, episode 1
First in a series for students in my nonmathematical introductory astronomy course. This one covers the general relation between distance and size, and then the specific cases of Earth and Moon.

▶︎
Distances and Sizes in Astronomy, episode 2

▶︎
Galaxy rotation curves

▶︎
Distances and Sizes in Astronomy, episode 3

▶︎
General Relativity: Gravity makes time run slowly

▶︎
NERVOUS 12-Year-Old Who Can Sing Without Opening Her Mouth Earns Mel B's GOLDEN BUZZER!

▶︎
You're Doing Push-Ups Wrong... This Is Why You're Not Getting Stronger

▶︎
The Professor Who Taught People How To Think (1962)

▶︎
No Celebrity Could Stay Serious Around Rowan Atkinson!

▶︎
Man with suspended licence joins court call while driving

▶︎
I taught an octopus piano (It took 6 months)

▶︎
She’s 12. She Sings Aretha Franklin… Until Simon TELLS Her to Do It Acapella! 😳

▶︎
Penny Helps Sheldon Solve His Equation | The Big Bang Theory

▶︎
Why The Russian Accent Terrifies Everyone

▶︎
Rowan Atkinson's Brilliant Humor Leaves Celebrities in Tears!

▶︎
When Genius Teens Destroy Corrupt Cops

▶︎
You Need to Be Bored. Here's Why.

▶︎
Haben Jungs es einfacher als Mädchen? | logo! no.front

▶︎
Jimmy Carr Roasts a 17-Year-Old Mouthy Mechanic In Front of His Parents!

▶︎
