def METHOD_NAME():
    """
    Provides a table of the complete list of constants.
    Returns
    -------
    `astropy.table.Table`
    """
    data_rows = []
    for key, this_constant in constants.items():
        data_rows.append([
            key, this_constant.name, this_constant.value, this_constant.uncertainty,
            str(this_constant.unit), this_constant.reference
        ])
    t = Table(rows=data_rows, names=('key', 'name', 'value', 'uncertainty', 'unit', 'Reference'))
    return t