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6.02214076 × 10^23 and represents the number of atoms, ions, or molecules in one mole of any substance.

Currently estimated to be about 70 km/s/Mpc, it represents the rate of expansion of the universe.

Approximately 3.085677581 × 10^16 meters, it is the distance at which one astronomical unit subtends an angle of one arcsecond.

299,792,458 m/s and signifies the maximum speed at which all conventional matter and information can travel.

6.62607015 × 10^-34 J·s, important for quantum mechanics, relates energy of photon to its frequency.

1.380649 × 10^-23 J/K, it relates the average kinetic energy of particles in a gas with the temperature of the gas.

Approximately 1.4 solar masses, it is the maximum mass of a stable white dwarf star.

6.674 × 10^-11 N · m^2/kg^2, it is a key quantity in Newton's law of universal gravitation.

5.670374419 × 10^-8 W/m^2·K^4, signifies the total intensity radiated by a black body across all wavelengths.

Approximately 3.828 × 10^26 watts, it is the measure of the energy output of the Sun per second.

149,597,870.7 km, it is the average distance from the Earth to the Sun.