Possible Clues:

• Art of good eating
• Burps, one coming up through taste for fine dining
• The science of good eating
• Good subject for those looking up "food appreciation"
• Good study for Hubble, the art of eating well
• Stargazing after good cooking
• Group scrutinising stars eating fine food
• Practice of preparing and eating good food
• Good science provides good food
• Knowing one's courses, but got masonry wrong