Tag: phenomena

Jun 26, 2013

Picture of the Day: The Bait Ball

Picture of the Day: The Bait Ball

THE BAIT BALL Photograph by STEVE DUNLEAVY on Flickr A bait ball, or baitball, occurs when small fish swarm in a tightly packed spherical formation about a common centre. It is a last-ditch defensive measure adopted by small schooling fish when they are threatened by predators. Small schooling fish are eaten by…

Read More »

Jun 24, 2013

The 2013 Supermoon in Photos

The 2013 Supermoon in Photos

On June 23, 2013 at 11:32 UTC the full moon was not only the closest and largest full moon of the year, it will also be the moon’s closest encounter with Earth for all of 2013. It will not be this close again until August 10, 2014. Astronomers call this sort of close full…

Read More »

Jun 11, 2013

The Most Epic Supercell Thunderstorm Footage You Will See Today

The Most Epic Supercell Thunderstorm Footage You Will See Today

Photograph by Mike Olbinski | Prints available After four years of unsuccessful storm chasing, Mike Olbinski finally found what he was looking for. A massive rotating supercell thunderstorm with complex structure and active movement. The result was the epic time-lapse video embedded below. The storm was spotted on June 3, 2013, near Booker, Texas.…

Read More »

Jun 6, 2013

The 13 Coolest Things Chris Hadfield Taught Us About Space

The 13 Coolest Things Chris Hadfield Taught Us About Space

Chris Hadfield is a Canadian astronaut and the first Canadian to walk in space. On December 21, 2012, the former Royal Canadian Air Force fighter pilot became the first Canadian to command the ISS (Expedition 35). Until his departure on May 12, 2013, Hadfield was incredibly active on Twitter, Facebook and YouTube, raising awareness…

Read More »

Jun 3, 2013

Picture of the Day: Dark Blue Bottom of an Iceberg

Picture of the Day: Dark Blue Bottom of an Iceberg

DARK BLUE BOTTOM OF AN ICEBERG Photograph by Aoraki Mount Cook Alpine Village In this photograph by Aoraki Mount Cook Alpine Village, we see the dark blue bottom of an iceberg in the terminal lake of New Zealand’s largest glacier, the Tasman Glacier. According to dr_glaciology, the ice is so blue because…

Read More »

Jun 1, 2013

Picture of the Day: Flyby Eclipse

Picture of the Day: Flyby Eclipse

FLYBY ECLIPSE Photograph by PHILLIP CALAIS In this perfectly timed capture by Phillip Calais, we see an airplane flying by a partial solar eclipse. Selected as NASA’s Astronomy Picture of the Day for May 13, Calais remarked: “It was just eight minutes after sunrise, last week, and already there were four things…

Read More »

May 28, 2013

12 Beautiful Examples of Guttation

12 Beautiful Examples of Guttation

Guttation is the exudation of drops of sap (xylem) on the tips or edges of leaves of some vascular plants, such as grasses. Guttation is not to be confused with dew, which condenses from the atmosphere onto the plant surface. At night, transpiration usually does not occur because most plants have their stomata (pores…

Read More »