Natural Phenomena - Thiên Nhiên Kỳ Thú - kỳ 2

1. Super moon  

11. Spherical boulders in New Zealand
Exhumed from the mudstone enclosing them by coastal erosion.

11. The Great Blue Hole
A large submarine sinkhole off the coast of Belize, over 300m across and 124m deep.

12. The Black Sun
Huge flocks of up to 50,000 starlings form in areas of the UK just before sundown during mid-winter. They are known as murmurations.

13.The Sardine Run
Occurs from May through July when billions of sardines move north along the east coast of South Africa. Their sheer numbers create a feeding frenzy along the coastline.

14. The Giant’s Causeway, Northern Ireland
An area of about 40,000 interlocking basalt columns, the result of an ancient volcanic eruption.

15. Sailing stones in Death Valley, USA
A geological phenomenon where rocks move and inscribe long tracks along a smooth valley floor without human or animal intervention.

16. Tidal bores on the Amazon in Brazil and the Severn in England
A tidal phenomenon in which the leading edge of the incoming tide forms a wave of water that travels up a river against the flow.

17. The Flowering Desert
Occurs in the Atacama Desert, Chile, in years when rainfall is unusually high. Normally the region receives less than 12mm of rain annually.

18. Circumhorizontal arcs, misleadingly known as fire rainbows
An optical phenomenon featuring an ice halo formed by plate-shaped ice crystals in high level cirrus clouds.

19. Lenticular clouds over Mount Olympus
Stationary lens-shaped clouds that form in the troposphere. Because of their shape, they have been offered as an explanation for some UFO sightings.

Natural Phenomena - Thiên Nhiên Kỳ Thú - kỳ 1

Natural Phenomena - Thiên Nhiên Kỳ Thú - kỳ 3