If you guessed the astronomical unit, you are correct. The au — the rough distance between the Earth and the Sun — was previously determined by a confusing calculation (“the radius of an unperturbed ...
If you want to find the size of a basketball, you can use a normal meter stick to measure the diameter. You should get a value of around 0.24 meters. Please don't use inches—they are just harder to ...
Laura Nicole Driessen is part of MeerTRAP, which is supported by the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (grant agreement No ...