In extragalactic Astronomy people often use kpc (kilo parsecs, or 1000 parsecs) or Mpc (mega parsecs, or 1,000,000 parsecs). For example the Sun is about 8 kpc from the centre of the galaxy and Virgo (the nearest large cluster of galaxies to us) is about 15-20 Mpc away.
Quick Answer. You can become a SilverSneakers member by having an eligible health plan. Eligibility can be determined by contacting your health provider's customer service department. SilverSneakers is offered to many Medicare plans throughout the nation. Keep Learning.
As an insured member covered under an AARPÂ® Medicare Supplement plan, you now have access to Tivity Health SilverSneakersÂ® Fitness program at no additional cost to you. Designed for all levels and abilities, SilverSneakers provides access to fitness equipment, group exercise classes and more at 13,000+ locations nationwide.