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.
Best of all, thereâs no need for claims or referrals. You get on-the-spot savings for you and your family. To get started: 1. Once youâre an Aetna member, log in to your secure member website at www.aetnanavigator.com. 2. Choose âHealth Programs,â then âSee the discounts.â 3. Follow the steps for each discount you want to use.