Arjun Nair12thSample· 1mo ago
How do we know how far a star is? Hold up your thumb
The same trick your two eyes use to judge depth is the bottom rung of the ladder that measures the universe.
#parallax
Stories and questions with this tag.
- Ananya Reddy11thSample· 1mo ago
Vernier zero error sign confusion + is parallax angle for a star the full shift or half?
Two small things from the measurement section that keep tripping me in my colour-coded notes I have a whole pink page for "zero error" and it still isn't clear . 1. Vernier calipers. Main scale smallest division is 1 mm
