👉 In physics, "heliometrically" refers to a phenomenon where a photon is emitted from an electron in the hydrogen atom. This process can be described by the equation: \[ \text{Energy of Photon} = (1 - h^2 / 4e^2) \cdot E_{\text{H}} \] where \(E_{\text{H}}\) is the energy of a photon in the hydrogen atom, and \(h\) is Planck's constant.