Best Answer: Walking a mile a day would improve your general cardiovascular health. It would give you more stamina and endurance. It would help your resistance to disease. It would build muscle mass in your legs.
A summary of these methods: 1  Cepheid variable stars and their cousins the RR Lyrae stars are the primary distance indicators in the galaxy and the local group. 2  They pulsate radially (basically at the sound speed in the envelope of the star) with a period inversely proportional to the square root of the density.
Messier 31 (NGC 224) is better known as the Andromeda Galaxy. It is a spiral galaxy approximately 2.5 million light years distant. In the past, it was also referred to as the Great Andromeda Nebula. Andromeda Galaxy is the closest spiral galaxy to the Milky Way, and also the farthest object in the night sky visible to the naked eye.