What is the IAU in charge of?

the science of astronomy
The International Astronomical Union (IAU) was founded in 1919. Its mission is to promote and safeguard the science of astronomy in all its aspects, including research, communication, education and development, through international cooperation.

What is an IAU unit?

According to its definition adopted by the XXVIIIth General Asssembly of the IAU (IAU 2012 Resolution B2), the astronomical unit is a conventional unit of length equal to 149 597 870 700 m exactly. This definition is valid irrespective of the used time scale.

How does the IAU define a planet?

(1) A “planet”1 is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit.

What is the function of IAU?

The International Astronomical Union (IAU) was founded in 1919. Its mission is to promote and safeguard the science of astronomy in all its aspects, including research, communication, education and development, through international cooperation.

Is IAU an ETF?

IAU ETF Report: Ratings, Analysis, Quotes, Holdings | ETF.com.

What are the IAU requirements for becoming a planet?

It says a planet must do three things:

  • It must orbit a star (in our cosmic neighborhood, the Sun).
  • It must be big enough to have enough gravity to force it into a spherical shape.
  • It must be big enough that its gravity cleared away any other objects of a similar size near its orbit around the Sun.

Why was the IAU created?

The Founding of the IAU and the First Executive Committee. The IAU was the result of a process that started long before World War I to encourage cooperation between astronomers all over the world, at that time primarily led by the American astronomer George Ellery Hale.