Skip to main content
Sign In
Flat illustration of a telescope pointed at a large yellow planet with a smaller red moon in orbit on a gray background

Can you handle the gravity of this binary star quiz and track the orbital dance?

Star Types

Difficulty

Medium

Questions

20

Volts

2/q

One star shines bright while its companion hides in the glare. Whether it is a visible match or a spectroscopic ghost, you must master the orbital mechanics. Challenge the laws of gravity against a pulsar and find the center of motion before the clock hits zero. Dare to start.

Sign In to Play

Sign in or create an account to play

More ZapStacks in Star Types

A telescope, a moon with an atomic model, and a constellation against blue starburst shapes.
Blue Giants
15 Zaps · Hard
A geometric design featuring a central faceted sphere, a spiral of orange and cream shapes, two clock faces, and a jagged waveform.
Neutron Stars
20 Zaps · Hard
A telescope, magnifying glass, and a ringed planet surrounded by small circles.
Red Dwarfs
20 Zaps · Medium
A telescope is positioned in front of a large orange planet with rings and a small moon.
Red Giants
20 Zaps · Medium
A telescope emerges from a glowing orb surrounded by orange and black swirls and gold geometric shapes.
White Dwarfs
20 Zaps · Medium