Space Tools

Space Trivia Challenge

30+ questions, timed gameplay, combos & rank titles. Can you beat 18/20?

Top score20 / 20

My Space Profile

10 personality questions → discover your explorer type, spirit mission & astronaut match.

Past resultsThe Pioneer

Can You Survive On...?

Pick a planet — how long would you last, and what would kill you?

Death byVacuum (15s)

If I Were Born in Space

Generate your cosmic identity card with space zodiac, Mars age & explorer title.

IdentityLunarian

Personal Calculators

Discover yourself across the cosmos

4 tools

How Old Are You on Mars?

Your age on every planet, plus when your next Martian birthday is.

Mars year687 Earth days

70 kg becomes11.6 kg on Moon

Your Weight on Other Planets

Jupiter makes you heavy. The Moon makes you fly. See every world.

On any given day~3 launches in history

Your Birthday in Space History

What launched, landed, or was discovered on the day you were born?

Light Delay Simulator

Text Mars. Wait for the reply. Feel how slow light really is.

Round-tripMoon: 2.6 s

Rocket Science

Real engineering data, made interactive

4 tools

Which Rocket for My Satellite?

Enter payload mass & orbit → ranked rockets with cost estimates.

Falcon 9 to LEO22.8 t

Falcon 9 reliability99.0%

Mission Success Rate Calculator

Model failure probability across 1–100 launches. Rocket reliability leaderboard.

Space Travel Time

Car vs jet vs Starship vs light speed — how long to reach Pluto?

Earth → MarsCar: 228 yr

Space Budget Per Capita

Which country spends most per person? Sortable by budget, GDP%, per capita.

USA per capita$76 / yr

Mission Planners

Design missions, build colonies, explore futures

4 tools

Wizard length5 steps · ~3 min

Design Your Space Mission

5-step wizard: destination → rocket → crew → duration → full mission report.

Sample sitesMoon (Shackleton)

Space Colony Planner

10 locations from Moon to Proxima b. Plan life support, power & costs for 10–10,000 people.

Telescope Finder

Budget + experience → matched telescopes with what you can (and can't) see.

Catalog20+ telescopes

Kardashev Scale Calculator

Humanity is at 0.728. Explore Type I → V civilizations with interactive power slider.

Humanity nowType 0.728

Science Lab

Explore real science through simulation

3 tools

Confirmed exoplanets5,800+

Exoplanet Habitability Scorer

Filter 12 real exoplanets by temperature, gravity & atmosphere. Find Earth 2.0.

1 km @ 20 km/sCrater: 14 km

Asteroid Impact Simulator

Pick size & speed → crater diameter, energy in nukes, tsunami height.

Orbital Speed Calculator

Enter altitude → orbital velocity, period, sunrises per day.

ISS @ 408 km27,576 km/h

Live & Immersive

Real-time tracking, audio experiences, and cost breakdowns

5 tools

Astronomical Calendar

Every sky event this year — moon phases, eclipses, meteor showers, planet oppositions and more. Check visibility from your location.

Now in UTC—— : —— : ——

ISS is moving · alt 408 km—— : —— : ——

QuickFeatured

ISS Overhead Tracker

Track the International Space Station in real-time. Position, altitude, speed & distance from you.

Sound sourcePulsar (1.3 ms)

Space Sound Generator

Hear pulsars, Saturn's rings, Jupiter's magnetosphere. Mix and layer cosmic sounds.

Falcon 9 ÷ 8B people$0.008 each

Launch Cost Splitter

If everyone on Earth split a Falcon 9, you'd pay $0.008. Try any rocket!

Featured era1957 Sputnik 1

Space Race Timeline

1957 → today. 124 milestones across 13 nations — filter by country, category, or decade. Every first, every breakthrough.