Blown Up, SIr!

The Big Picture: Undersea eruptions near Tonga

Scientists sailed out to have a closer look at the eruptions of an undersea volcano off the coast of Tonga in the South Pacific Ocean today. Tonga’s head geologist, Kelepi Mafi, said there was no apparent danger to residents of Nuku’alofa and others living on the main island of Tongatapu. Officials also said it may be related to a quake with a magnitude of 4.4 which struck last March 13 around 35 kilometers from the capital at a depth of nearly 150 kilometres. (I know this is an off-day posting, but really, thought the images were worth it – 12 photos total)

The Hubble Advent-ure

Hubble Space Telescope Advent Calendar 2008

As we head into the traditional western Holiday Season, I’d like to present this Hubble Space Telescope imagery Advent Calendar. Every day, for the next 25 days, a new photo will be revealed here from the amazing Hubble Space Telescope. As I take this chance to share these images of our amazing Universe with you, I wish for a Happy Holiday to all those who will celebrate, and for Peace on Earth to everyone. – Alan (25 photos total – eventually)

Piiiiics iiiiin Spaaaaaace!

No, not the Swinetrek. The International Space Station turns 10

This month marks the 10th anniversary of the first launched module of the International Space Station (ISS). The module Zarya was lifted into orbit on November 20th, 1998 by a Russian Proton rocket lifting off from Baikonur, Kazhakstan. In the decade since, 44 manned flights and 34 unmanned flights have carried further modules, solar arrays, support equipment, supplies and a total of 167 human beings from 15 countries to the ISS, and it still has a ways to go until it is done. Originally planned to be complete in 2003, the target date for completion is now 2011. Aside from time spent on construction, ISS crew members work on a good deal of research involving biology and physics in conditions of microgravity. If humans are ever to leave the Earth for extended periods, the ISS is designed to be the place where we will discover the best materials, procedures and safety measures to make it a reality. (32 photos total)

Under Down Under

Scenes from Antarctica

Down in Antarctica, November marks the end of spring, the beginning of austral summer, and the beginning of Antarctica’s cruise season. The Sun just rose for the first time in 6 months on September 22nd, and is now visible in the sky all the time. Recent studies in Antarctica have brought new insights into the origins of deep sea octopus species (a 30 million-year-old ancestor from Antarctic waters), volcanic contributions to disappearing antarctic ice, and the effects of increasing numbers of icebergs scouring the seafloor. Collected here are 32 photographs of Antarctica from the past several years. (32 photos total)

Very Illuminating

Lighting up the night

Berlin, Germany is hosting its “Festival of Lights” this week, until October 26th. Dozens of landmarks are lit up with lamps, projectors and lasers, accompanied by fireworks and other events. We humans light up the night for many reasons, practical, artistic – even reasons with more meaningful messages. Pictured below are night scenes from Berlin and around the world, illuminated in interesting ways. (21 photos total)

All Right, Mr. DeMille, I'm Ready for my Close-Up

Enceladus up close

Saturn’s tiny, icy moon Enceladus has recently been visited by NASA’s Cassini orbiter on several very close approaches – once coming within a mere 25 kilometers (15 miles) of the surface. Scientists are learning a great deal about this curious little moon. Only about 500 kilometers wide (310 miles), it is very active, emitting internal heat, churning its surface, and – through cryovolcanism – ejecting masses of microscopic ice particles into Saturnian orbit. Cassini has been orbiting Saturn for over 4 years now, and has provided some amazing views of tiny Enceladus, some collected here. Another close flyby is scheduled for Halloween, October 31st. (26 photos total)