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.
You can find out if your Medicare plan offers Silver Sneakers by calling 1-888-423-4632. Here are some of the features offered by SilverSneakers. Depending on the location, you may have access to a pool, sauna, exercise equipment, and even exercise classes; Customized classes for seniors that focus on building strength and flexibility