Search results for “Measurement and Units”

Measuring Distance in the Solar System | NASA Planetary Sciences

Explore how astronomers and scientists use astronomical units to measure distances in the solar system in this video adapted from NASA. The astronomical unit (au) -- equal to the average distance from Earth to the Sun -- is a convenient unit of measure when talking about distances in the solar syste

The Polarimeter - Setup and Measurement

The polarimeter is an important measuring instrument for determining the specific angle of rotation of an optically active substance. This first video is exclusively about the construction of a polarimeter. Afterwards, a short measurement is also carried out. Only in another video will I explain how

United Nations Day

United Nations Day, on 24 October, marks the anniversary of the day in 1945 when the United Nations was formed as the UN Charter came into being. Our video raises awareness of this day, celebrated every year, to reaffirm the purposes and principles of the UN Charter. #UN #UnitedNationsDay Transcrip