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Northern hot springs
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Solar System
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5
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7538
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Hum,
It seems Enceladus is not alone in having a polar hotspot... :smile:
Researchers have found the Earth's most northernmost underwater hot springs, spouting out of the seabed in the otherwise chilly waters of the Norwegian Sea. It's a veritable oasis featuring tropical-like coral and u...
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Earths inner core
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Solar System
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29
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Scientists at Columbia University's Lamont-Doherty Earth Observatory and the University of Illinois at Urbana-Champaign have ended a nine-year debate over whether the Earth's inner core is undergoing changes that can be detected on a human timescale.
Their work, which appears in the August...
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Earth from Mars
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Solar System
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2752
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On its 449th Martian day, or sol (April 29, 2005), the Mars rover Opportunity woke up approximately an hour after sunset and took this picture of the fading twilight as the stars began to come out.
Set against the fading red glow of the sky, the pale dot near the centre of the picture is not a sta...
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New Earth seismic layer
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Astronomy News
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15
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28538
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Dr Christine Thomas, from University of Liverpool, has found a previously undetected seismic layer near the Earth's core-mantle boundary.
H...
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The ancient sea
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Astronomy News
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25
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35041
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The ancient sea was more like a giant salty lake than a rolling ocean, report scientists from Imperial College London in the May edition of the Journal of the Geological Society.
A new computer model that simulates how tides in North West Europe would have behaved 300 million years ago shows a sea wi...
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Magnetic Pole
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Astronomy News
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14
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25538
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Earth's north magnetic pole is drifting away from North America and toward Siberia .
After some 400 years of relative stability, Earth's North Magnetic Pole has moved nearly 1,100 kilometres out into the Arctic Ocean during the last century.
The shift could mean auroras might be more visibl...
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Earths Formation
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Meteorite News
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27
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34093
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Melting asteroids and the building blocks of early Earth
Important new research documenting how the Earth formed from melted asteroids 4.5 billion years ago is published in the 16 June issue of Nature. The paper was written by Dr Richard Greenwood and Dr Ian Franchi of the Open University...
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The Earth
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1 2 3 4 5 … 12
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Solar System
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[url=http://www.esa.int/esaEO/SEMRBH9ATME_environ...
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Snowball Earth
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General news
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31
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Geologists have been gathering evidence indicating that Earth has gone into a deep freeze on several occasions, with ice covering even the equator and with potentially devastating consequences for life.
The theory, known as "Snowball Earth," has been lacking a good explanation for wh...
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The Earth
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Earth
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1763
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Title: Highly stable evolution of Earth's future orbit despite chaotic behaviour of the Solar System Author: Richard E. Zeebe Due to the chaotic nature of the Solar System, the question of its dynamic long-term stability can only be answered in a statistical sense, e.g. based on numerical ensembl...
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Earth
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Art gallery
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2199
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The most detailed map of Earth (2004).
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Evolution of the atmosphere
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Astronomy News
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48
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The President of the Mineralogical Society of America, Douglas Rumble, III, of the Carnegie Institution's Geophysical Laboratory, describes new techniques, used on minerals, to reveal the steps that led to evolution of the atmosphere on Earth.
"Rocks, fossils, and other natural relics h...
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Earthquake
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General news
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80
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29302
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A strong earthquake rattled Indonesia’s Sumatra island today, causing residents to flee to higher ground fearing a possible tsunami. There were no reports of casualties or damage caused by the 6.9 magnitude quake.
The Indonesian Meteorological and Geophysical Agency in Jakarta said the epic...
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Pale Blue Dot
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Solar System
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2184
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Carl Sagan: Pulitzer Prize-winning author, astronomer and astrochemist shares his thoughts on our place in the Universe. Sagan makes a plea for peace and understanding, but for us to first humble ourselves. To reconsider our global priorities, not as a single nation, but together as humankind. C...
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Digital Tectonic Activity Map
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Earth
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2
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5430
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The Digital Tectonic Activity Map (DTAM) is a new visualization tool for both researcher and educator alike to better understand tectonic activity of our planet for the past 1 million years.
DTAM is a Geographical Information System (GIS) that displays a realistic synoptic view of pres...
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Pangaea Ultima
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General news
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4
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4622
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Existing during the Palaeozoic and Mesozoic -- some 250 million years ago -- Pangaea is the supercontinent that comprised of all of our modern day continents, all rolled up in to one big one. Eurasia was up the top, swinging down through North and South America, cross to the east for Africa, then south...
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Earth observation satellites
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Mission News
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0
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2163
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If China wants to become a dominant space power, it must step up and take a leading role in providing new Earth observation satellite (EOSAT) technology. However, the field is crowded and becoming more so, making this a far more difficult task than previously thought. [url=http://www.atimes.com...
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Terra Satellite
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Mission News
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4
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3697
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([url=http://www.activeboard.com/forum.spark?forumID=58381&p=3&topicID=9990007]ASAT[/ur...
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Earth's atmosphere
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Solar System
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9
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6343
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Scientists discover surprise in Earth's upper atmosphere UCLA atmospheric scientists have discovered a previously unknown basic mode of energy transfer from the solar wind to the Earth's magnetosphere. The research, federally funded by the National Science Foundation, could improve the saf...
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Earth's magnetic field
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Physics News
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Earth's magnetic field perturbed by 'electric oceans', claims researcher In a radical rethink of accepted geophysics, new research in the US links variations in the Earth's magnetic field with the ebb and flow of the world's oceans. Given the practical importance of these field variations in nav...
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Earth's mantle
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General news
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20
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14942
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There are very few places in the world where dynamic activity taking place beneath Earth's surface goes undetected. Volcanoes, earthquakes, and even the sudden uplifting or sinking of the ground are all visible results of restlessness far below, but according to research by Arizona State Univer...
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Gondwana
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General news
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Joint Russian and German bottom survey of World ocean's southern part near the Drake Passage resulted in discovery of the previously unknown vast underwater plateau Pirie.
Scientists from Russian Institute of Geochemistry and Analytical Chemistry and German Polar and Marine Research Ins...
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Devonian Period
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General news
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3
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2478
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In the middle of the Devonian Period some 385 million years ago, the Wissahickon Schist was the heart of a huge mountain chain that was something like the Pacific Northwest of today. Volcanoes formed here and there. The land was subjected to earthquakes and eruptions from time to time. To the west was...
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Komatiites
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General news
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2
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3235
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A geological controversy over how a 2,700-million-year-old rock was formed has been solved using synchrotron technology, an international team reports. A rare form of magmatic rock known as komatiite was formed in the Earth's mantle at temperatures around 1700 degrees Celcius in the Archaean a...
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Aurora Alert
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Events
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253
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Aurora Alert, at 17:00 UT 21 Aug 2005:
Small increase in local activity.
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Earthquake zones
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General news
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2248
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As if people living in the world's major earthquake zones don't have enough to worry about, a new analysis of two of the biggest quakes of the past century reveals a sharp spike in volcanic eruptions after the events, sometimes in volcanoes located hundreds of kilometers from the epicenters. The res...
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Earth’s magnetosphere
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Astronomy News
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11
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8214
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NASA scientists have uncovered new details about how plasma from superstorms interact with Earths magnetosphere. The surprising result of this model is that the magnetospheres main phase pressure is dominated by energetic protons from the plasmasphere, rather than from the solar wind - Mei-Ch...
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Cluster satellites
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Mission News
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35
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The four spacecraft of ESA`s Cluster fleet have reached their greatest distance from each other in the course of their mission to study Earth`s magnetosphere in three dimensions.
This operation, marking the fifth anniversary of Cluster in space, transforms Cluster in the first `...
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Geology
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General news
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20
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20701
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Montana has a new geologic map, the first one since 1955. It was compiled by staff of the Montana Bureau of Mines and Geology using data from hundreds of sources. The Geologic Map of Montana includes three parts. Plate 1 is the geologic map of the state (approx. 4x7ft). Plate 2 provides supporting and c...
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Cryogenian period
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Off Topic
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1996
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The Cryogenian (from Greek cryos "cold" and genesis "birth") is a geologic period that lasted from 850 to 635 million years ago. The Cryogenian forms the second geologic period of the Neoproterozoic Era, preceded by the Tonian Period and followed by the Ediacaran. [url=htt...
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Holocene
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General news
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2124
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Title: Holocene drainage systems of the English Fenland: roddons and their environmental significance Authors: Dinah M. Smith, Jan A. Zalasiewicz, Mark Williams, Ian P. Wilkinson, Martin Redding and Crane Begg The roddons of the English Fenlands are fossilised silt and sand-filled tidal cree...
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Tectonic Plates
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Earth
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24
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27763
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Computational scientists and geophysicists at the University of Texas at Austin and the California Institute of Technology (Caltech) have developed new computer algorithms that for the first time allow for the simultaneous modelling of the earth's Earth's mantle flow, large-scale tectonic p...
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Theia
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1 2
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Solar System
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The name of the hypothesized protoplanet is derived from the mythical Greek goddess Theia, a Titan who gave birth to the Moon goddess Selene. According to the giant impact hypothesis, Theia formed along with the other planets of our solar system about 4.6 billion years ago, and was approximately th...
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Asteroid 2010 TK7
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Asteroids
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13
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6158
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Orbital elements:
2010 TK7 Earth MOID = 0.0837 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC
M 182.73783 (2000.0) P Q
n 0.98687906 Peri. 45.90750 -0.74739442 -0.56399001
a 0.9991410 Node 96.60268 +0.46229630 -0.82109166
e 0.1887139 Incl. 20.70213 +0.47716215 -0.08788490
P 1.00 H 20.7 G 0...
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Aurora Alert 2
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Events
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0
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1770
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Aurora Alert: Kp=4
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