#!/usr/bin/python
# -*- coding:utf-8 -*-
"""
Units used in the project.
"""

globals()['G'] = 6.67e-11 #Gravitational constant in SI units
globals()['Ms'] = 2e30 #Solar mass in kg
globals()['au'] = 1.5e11 #Astronomical unit in m
globals()['yr'] = 3.15576e7 #year in seconds