News tagged with planetary boundaries
Scientists outline planetary boundaries: A safe operating space for humanity
New approaches are needed to help humanity deal with climate change and other global environmental threats that lie ahead in the 21st century, according to a group of 28 internationally renowned scientists.
Space & Earth / Earth Sciences
Sep 23, 2009 |
2.4 / 5 (7) |
0
Scientists glean new insights into convection in planets and stars
(PhysOrg.com) -- A new study by UCLA planetary scientists and their colleagues in Germany overturns a longstanding scientific tenet and provides new insights into how convection controls much of what we observe ...
Jan 19, 2009 |
4.5 / 5 (11) |
0
Search results for planetary boundaries
Geological record shows air up there came from below
(Phys.org) -- The influence of the ground beneath us on the air around us could be greater than scientists had previously thought, according to new research that links the long-ago proliferation of oxygen ...
Space & Earth / Earth Sciences
May 23, 2012 |
4.7 / 5 (7) |
3
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You're beautiful, Vesta
When UCLA's Christopher T. Russell looks at the images of the protoplanet Vesta produced by NASA's Dawn mission, he talks about beauty as much as he talks about science.
Space & Earth / Space Exploration
May 10, 2012 |
5 / 5 (4) |
0
Cassini finds Titan lake is like a Namibia mudflat
A new study analyzing data from NASA's Cassini spacecraft suggests that the lake, known as Ontario Lacus, behaves most similarly to what we call a salt pan on Earth.
Space & Earth / Space Exploration
Apr 20, 2012 |
5 / 5 (3) |
5
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Oceans apart: New research suggests that ocean-crust formation is a dynamic process
Three-fifths of Earth’s crust lies underwater, spread out along the seafloor. More than four cubic miles of ocean crust forms each year, constantly regenerating like new skin across the globe. This ocean ...
Space & Earth / Earth Sciences
Apr 10, 2012 |
5 / 5 (1) |
0
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Chondritic hypothesis: New discovery shakes beliefs of Earth to the core
(PhysOrg.com) -- For a century, scientists have assumed that the Earth has same chemical make-up as the sun. But this belief has been challenged by scientists at The Australian National University.
Space & Earth / Earth Sciences
Mar 29, 2012 |
4.3 / 5 (10) |
9
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Beyond GDP: Experts preview 'Inclusive Wealth' index
Brazil and India pay a high price for rapid economic growth, according to experts speaking at a major international meeting in London, Planet Under Pressure.
Other Sciences / Economics & Business
Mar 28, 2012 |
4 / 5 (2) |
6
Seismic survey at the Mariana trench will follow water dragged down into the Earth's mantle
(PhysOrg.com) -- Last month, Doug Wiens, PhD, professor of earth and planetary science at Washington University in St. Louis, was cruising the tropical waters of the western Pacific above the Mariana trench ...
Space & Earth / Earth Sciences
Mar 22, 2012 |
5 / 5 (2) |
0
'Weather in a tank' demonstration helps students grasp fluid dynamics
Fluid dynamics plays a central role in determining Earth’s climate. Ocean currents and eddies stir up contents from the deep, while atmospheric winds and weather systems steer temperature and moisture around the globe. ...
Space & Earth / Earth Sciences
Mar 21, 2012 |
5 / 5 (2) |
2
O, Pioneers! (part 2): The derelicts of space
Before the Pioneer 11 spacecraft could venture beyond our solar system, it had to pass through the rings of Saturn. At the time, the rings were not well characterized and some thought the spacecraft could ...
Space & Earth / Space Exploration
Mar 06, 2012 |
4.6 / 5 (5) |
0
High planetary tilt lowers odds for life?
Highly-tilted worlds would have extreme seasons, subjecting life to alternating periods of scorching and subzero temperatures. This could make the development of all but hardiest, simplest creatures a long ...
Space & Earth / Space Exploration
Feb 06, 2012 |
4.6 / 5 (13) |
14
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List of search results for planetary boundaries
