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Hot Topic
Solar System
Earth
Spaceship Earth
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Cold Plasma Above Earth
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| Topic: Spaceship Earth |
01/25/12 |
| Scientists have developed a new method to measure cold plasma above the Earth, and have revealed more cold, charged ions in Earth’s upper altitudes than previously imagined. |
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Earth’s Cloudy Past Could Reveal Exoplanet Details
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| Topic: Spaceship Earth |
01/23/12 |
| The pattern of clouds on Earth is largely determined by the arrangement of the continents below. Now, astronomers are modeling the clouds at different periods in Earth’s past to better understand what alien worlds might look like. |
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Earth's Bow Shock is Remarkably Thin
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| Topic: Spaceship Earth |
11/29/11 |
| New research shows that the bow shock formed by the interactions between the solar wind and Earth's magnetic field is remarkably thin. |
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Killer Solar Flares Won't Destroy Earth in 2012
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| Topic: Spaceship Earth |
11/16/11 |
| Space weather can profoundly affect planet Earth. Solar flares are capable of disrupting satellites and coronal mass ejections might even damage power grids on Earth. But even at their worst, flares and mass ejections from the Sun are not capable of destroying Earth. |
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Astrophysics and Extinctions
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| Topic: Spaceship Earth |
10/18/11 |
| A new study is providing information about how radiation from space can damage life on Earth, and shows that a short gamma ray burst would be more significant than a longer gamma ray bust. If one of these bursts of energy occurred nearby, it could have lasting effects on Earth's surface and oceans. |
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Colliding Space Clutter
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| Topic: Spaceship Earth |
09/06/11 |
| A new report from the National Research Council says that the problem of space debris in orbit around the Earth is getting worse. Hazards posed by abandoned equipment, spent rocket bodies, and other debris is an increasing risk for future space missions. |
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The Odds for Life on a Moonless Earth
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| Topic: Spaceship Earth |
08/04/11 |
| If a rocky planet has no moon, could complex life still arise? New research looks at the effects a large moon can have on a planet´s orbital stability over time. |
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Minor Planets Disrupt Earth's Orbit
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| Topic: Spaceship Earth |
07/19/11 |
| Long-term simulations show that close encounters between the minor planets Ceres and Vesta could affect the Earth's orbit. |
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Magnetic Reconnection
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| Topic: Spaceship Earth |
05/02/11 |
| A phenomenon known as 'magnetic reconnection' is responsible for much of the space weather that affects Earth. NASA is now preparing a new mission dedicated to studying this dynamic magnetic system and its influence on our planet. |
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