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35 tools
The Earth curvature calculator lets you find the distance from you to the horizon, as well as the height of an object that is partially hidden behind it.
The exoplanet travel planner will help you plan your next trip to a foreign planet including food, water, expected exploration time...
Come on into the Hubble law distance calculator where you can find the answers for the questions like what is the Hubble's Law and what is the value of the Hubble constant.
Find how far you can see with a radar with our radar horizon calculator.
Use the black hole temperature calculator to learn the black body temperature of a black hole from just its mass.
How much speed do you need to move in space? Find it out with our delta-v calculator!
Where is everybody? Learn how to calculate the probability of another civilization existing somewhere in our Galaxy with Omni's Drake equation calculator.
This Earth orbit calculator determines the speed and orbital period of a satellite at a given height above average Earth sea level.
With the space travel calculator, you can plan your journey to another star system or even another galaxy.
Our sun angle calculator helps you estimate the Sun's position in the sky regarding its elevation and azimuth angles.
Create your own Universe with this Universe Expansion calculator