The Sun’s solar wind affects nearly everything in the solar system. It can disrupt the function of Earth’s satellites and creates the lights of the auroras. A new study by University of Wisconsin–Madison physicists mimicked solar winds in the lab, confirming how they develop and providing an Earth-bound model for the future study of solar ...
A new study led by researchers at the University of Miami’s (UM) Rosenstiel School of Marine and Atmospheric Science found that smoke from fires in Africa may be the most important source of a key nutrient — phosphorus — that acts as a fertilizer in the Amazon rainforest, tropical Atlantic, and Southern oceans. Nutrients found ...
A byproduct of oil and gas production is a large quantity of toxic wastewater called brine. Well-drillers dispose of brine by wastewater injected into deep rock formations, where its injection can cause earthquakes. Most quakes are relatively small, but some of them have been large and damaging. Yet predicting the amount of seismic activity from ...
Vast rings of electrically charged particles encircle the Earth and other planets. Now, a team of scientists has completed research into waves that travel through this magnetic field, an electrically charged environment, known as the magnetosphere, deepening our understanding of the region and its interaction with our own planet, and opening up new ways to ...
Moons ejected from orbits around gas giant exoplanets could explain several astronomical mysteries, an international team of astronomers suggests. Researchers led by Mario Sucerquia, from the Universidad de Antioquia, Colombia, and Jaime Alvarado-Montes from Australia’s Macquarie University, modeled the likely behavior of giant exomoons predicted to form around massive planets — and discovered that they ...
Fifty years after the Apollo 11 Moonwalk, a vexillologist looks at the challenge of planting the flag on the Moon. When Apollo 11 astronauts Neil Armstrong and Buzz Aldrin planted the United States flag on the Moon 50 years ago this month — July 20, 1969, to be exact — it was a team effort. ...
Powering a massive biosphere on Earth, photosynthesis is the light-mediated reaction that converts carbon dioxide and water to carbohydrates and oxygen. About 2.3 billion years ago, this reaction led to the dramatic oxygenation of Earth’s atmosphere. Evidence exists for oxygen-releasing photosynthesis evolving much earlier — perhaps as early as 3 billion years ago. However, the ...
In recent years, wreckage parts of a 1946 crashed aircraft of the U.S. Air Force were recovered at the Gauli Glacier. Model calculations by ETH Zurich researchers now show that the fuselage of the aircraft will probably only emerge from the ice in 8 to 16 years. In November 1946, a U.S. Air Force aircraft ...
A determined bunch of scientists set out to map the Moon in preparation for the Apollo landings, but that was only the beginning. A new field of science blossomed, and UA scientists have been involved in nearly every U.S. space mission since expanding out to the Solar System. Here’s a fun thought: Imagine if University ...
For the first time, researchers at the University of Michigan have detected bromine atoms in the atmosphere, and in doing so, have confirmed the reaction pathway through which mercury is removed from the atmosphere and enters the ecosystem in the springtime Arctic. Mercury is a particularly toxic pollutant largely emitted through human activities such as ...
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