TOPICS 1. From Newton’s Gravity to Einstein’s Spacetime 2. “Seeing” Spacetime with Gyroscopes 3. The Science Instrument in a Force-Free Environment ACTIVITIES •Assumptions about Gravity GRAVITY PROBE B: Examining Einstein’s Spacetime with Gyroscopes An Educator’s Guide
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TOPICS 1. From Newton’s Gravity to Einstein’s Spacetime 2. “Seeing” Spacetime with Gyroscopes 3. The Science Instrument in a Force-Free Environment ACTIVITIES.
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TOPICS1. From Newton’s Gravity to Einstein’s Spacetime
2. “Seeing” Spacetime with Gyroscopes
3. The Science Instrument in a Force-Free Environment
ACTIVITIES
•Assumptions about Gravity
•Equivalence Principle
•Curved Spacetime Models
•Frame-Dragging
GRAVITY PROBE B: Examining Einstein’s
Spacetime with Gyroscopes
An Educator’s Guide
Uncovering Assumptions about Gravity
1. What does the ball represent? The magnet? The magnetic field?
2. How does the ball “know” that the magnet is there? How does
the magnet “pull” the ball toward it?
3. In what ways does this model NOT accurately demonstrate Newton’s gravity? In what ways is gravity different than a magnetic force?
NO HYPOTHESIS
In the Principia (1687), Newton states that “there is a
power of gravity pertaining to all bodies, proportional
to the … quantities of matter which they contain.”
As the story goes, when Newton was questioned about
how his “power of gravity” transmitted from one body to