About
Exploring Space, Time & the Future
Explore the Universe
50 interactive tools to understand space, time, and cosmic phenomena
Most Popular
All Tools
Cosmic Timeline Tool
What was happening in space when you were born
Age on Other Planets
Calculate how old you'd be on Mars, Jupiter, and beyond
Cosmic Event Twins
Find which supernova or mission happened on your birthday
Cosmic Horoscope 3000
Scientific star alignment based on NASA data
Asteroid Impact Odds
Calculate odds of major asteroid hitting Earth in your lifetime
Interstellar Travel Time
How long to travel cosmic distances by car, plane, or rocket
Mars Commute Calculator
Calculate your daily commute between Earth and Mars
Earth from Other Planets
See how Earth looks from Mars, Pluto, and distant worlds
Light Speed Journey Simulator
How long light takes to reach you from distant stars
Cosmic Calendar Converter
Compress 13.8B years into 1 year - see where YOU are
Space Ticket Generator
Create your personalized interstellar boarding pass
Time Dilation Calculator
Show aging differences at near-light speeds
Time to Edge of Universe
How long to drive/fly to the observable edge
Black Hole Survival Timer
How long you'd survive near different black holes
Solar System Scale Model
If Earth = basketball, see scaled distances
Gravity Simulator
Your weight on different planets, moons, and stars
Orbital Speed Calculator
How fast you're moving right now (rotation + orbit)
Deep Time Visualizer
Major cosmic events on logarithmic timeline
Planck Time to Cosmic Time
Scale from smallest to largest time units
Red Shift Distance Calculator
Enter galaxy redshift, get distance in light-years
Exoplanet Habitability Checker
Rate real exoplanets for human colonization
Personal Nebula Generator
Generate unique nebula based on birth date/name
Constellation Finder by Date
What constellations visible on your birthday
Space Mission Timeline
All space missions during your lifetime
Telescope Simulator
See what Hubble/Webb shows from your location
Meteor Shower Predictor
Next 10 meteor showers visible from your location
Eclipse Calculator
All solar/lunar eclipses you'll witness
ISS Spotter
When ISS passes over your location
Satellite Counter
How many satellites above you right now
Space Junk Tracker
Debris pieces in orbit during your lifetime
Cosmic Ray Detector
How many cosmic rays pass through you per second
Dark Matter Calculator
Amount of dark matter in your body/room/city
Fusion Energy Potential
Energy in your body if converted to fusion power
Hawking Radiation Timer
How long for black holes to evaporate
Gravitational Wave Detector
Major gravity wave events since your birth
Speed of Darkness Calculator
Fun physics paradox explained interactively
Quantum Probability Generator
Real quantum randomness for decisions
Antimatter Price Calculator
Cost to make antimatter version of objects
Spaghettification Simulator
Tidal forces near neutron stars/black holes
Doppler Effect Visualizer
How stars/galaxies look approaching vs receding
Alien Height Translator
Your height in different gravity environments
Cosmic Distance Ladder
Compare distances (Moon → Andromeda) visually
Star Life Expectancy
If you were a star, how long would you live?
Dyson Sphere Calculator
Energy capture from building around the Sun
Terraforming Cost Estimator
Budget to terraform Mars/Venus/Titan
Space Elevator Timer
How long to ride elevator to space station
Wormhole Travel Planner
Sci-fi but grounded in real physics theories
Neutron Star Density
What if Earth compressed to neutron star density
Multiverse Probability
Fun "what if" based on quantum many-worlds
Heat Death Countdown
Time until universe reaches heat death
Ready to Explore the Cosmos?
Start your journey with any of our interactive tools and discover the wonders of space