sunlight

Three Suns in the sky in Mongolia

Sun dog or parhelion

A rare natural phenomenon creating three Suns, called Sun dog or parhelion, was captured in the sky in Mongolia.    Watch the video…

By |January 27, 2015|Categories: Natural phenomena|Tags: , , , , , |

Students aiming to put the first life on Mars

The Southampton LettuceOnMars experiment

Students are aiming to put the first life on Mars, according to their plan to grow lettuce on the Red planet.

By |January 6, 2015|Categories: Space|Tags: , , , , , |

World record in Solar Energy efficiency

Solar modules on the International Space Station

UNSW researchers set world record in Solar Energy efficiency, by converting 40% of the sunlight power into electricity.

By |December 9, 2014|Categories: Green Energy|Tags: , , , , , |

Water Wall– Ecological wall heater for bathroom

Water Wall– Ecological wall heater for bathroom 1

Water Wall an ecological wall heater for bathroom, has a transparent coating on the glass surfaces to help absorb solar energy.

By |December 11, 2013|Categories: Green Energy|Tags: , , , , , |

Nacreous cloud shine over Antarctica

Nacreous cloud shine over Antarctica (1)

The very pretty Nacreous clouds also called Polar stratospheric clouds (PSC), are appearing in the winter polar stratosphere. This image shot a few days ago, over NASA’s Radome at McMurdo Station in Antarctica.   Image © Deven Stross

By |September 8, 2013|Categories: Natural phenomena|Tags: , , , , , , , , |

The Mirror project illuminates the town square

The Mirror project illuminates the town square

The Norwegian town of Rjukan Beginning, is suffering by sunless days, from September until March. The aim of the mirror project is to illuminate the town square of Rjukan with reflected sunlight.

By |July 25, 2013|Categories: Technology news|Tags: , , , , , |

Bird Sundog

Bird Sundog

Rare but rewarding to see, a little rainbow off to the side of the Sun, such spectacles are known as sundogs, mock suns or parhelia. Sundogs are just sunlight refracting through hexagonal falling ice crystals in the Earth’s atmosphere.    Image © Juan Manuel Pérez Rayego

Largest solar sail ever to fly in 2014

Largest solar sail ever to fly in 2014

Largest solar sail ever to fly in 2014, by a NASA research team In-Space Demonstration of a Mission-Capable Solar Sail. An ultra-thin sail unfurling in space, using the pressure of sunlight to provide propellant-free transport, hovering and exploration capabilities.

By |February 6, 2013|Categories: Space|Tags: , , , , , , |

Pink Rainbow over Corio Bay, Australia

Pink Rainbow

Rainbows exhibit the colors we’re all familiar with when they’re not at their highest position in the sky. As the Sun sets, rainbows arch higher and higher without much of change in color. However, once the Sun dips below the horizon, the increased path length of sunlight alters a rainbow’s appearance.   Image credit: Phil Thomson; Phil’s Web site

By |September 24, 2012|Categories: Natural phenomena|Tags: , , , , , , |

Reflecting Sunlight into Space to fight Global Warming

Reflecting Sunlight into Space to fight Global Warming

According to a new study published this week in the journal Environmental Research Letters, reflecting sunlight back into space is actually “the cheapest way for us to combat global warming”.   Image credit: Robert Chase

By |September 4, 2012|Categories: Green Energy|Tags: , , , , , , |