Participants at the ‘World’s Largest Astronomy Lesson’ look towards the Southern Cross to observe the Wishing Well open cluster of stars at about the halfway point of the lesson. Credit: John Goldsmith / celestialvisions.com.au.
Participants at the ‘World’s Largest Astronomy Lesson’ look towards the Southern Cross to observe the Wishing Well open cluster of stars at about the halfway point of the lesson. Credit: John Goldsmith / celestialvisions.com.au.