1. Why is the Firmament Trackers model so special and who is Steven Alonzo?

    Why is the Firmament Trackers model so special and who is Steven Alonzo?

  2. Dave McKeegan's timelapse of the 24 hour Antarctic Sun confirms the Firmament Trackers model

    Dave McKeegan's timelapse of the 24 hour Antarctic Sun confirms the Firmament Trackers model