During full or new moons, the moon aligns with Earth and the sun, exerting a strong gravitational pull that causes pronounced tides, according to marine biologist David Wilcockson.

Authors

• Person: Not available Organization: National Geographic
  Why oysters close on the full moon—and more odd lunar effects on ...

Sources

• Why oysters close on the full moon—and more odd lunar effects on ... www.nationalgeographic.com National Geographic via serper

Referenced by nodes (6)

• moon concept
• full-moon concept
• sun concept
• earth concept
• tides concept
• new moon concept