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.
Are all Medicare recipients eligible for the SilverSneakers fitness program? As of 2015, the SilverSneakers fitness program is not available to all Medicare recipients, according to Healthways. SilverSneakers offers free gym membership to recipients of more than 65 different Medicare coverage plans.