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Voyager Rolls to See Which Way the Solar Wind is Blowing
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| Topic: Sun |
03/10/11 |
| Summary: NASA's Voyager 1 spacecraft is changing its orientation in order to determine which direction the Sun's stream of charged particles banks as it approaches the edge of the Solar System. Studying the solar wind is important for astrobiologists trying to understand the nature of our system and the conditions that allow for habitable planets. |
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Solving the Mystery of the Spotless Sun
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| Topic: Sun |
03/06/11 |
| Summary: In 2008-2009, solar activity dropped to hundred-year lows and sunspots almost completely disappeared. Now, solar physicists have discovered where the sunspots went. |
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Measuring the Sun's Role on Climate
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| Topic: Sun |
02/13/11 |
| Summary: Scientists have made a major step forward in accurately determining the amount of energy that the Sun provides to Earth. Much of Earth's biosphere depends on the Sun's life-giving energy. Studying the links between the Sun and life on Earth is essential in understanding life's future on our planet. |
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Streams of the Sun
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| Topic: Sun |
10/04/09 |
| Summary: Contrary to popular belief, the number of sunspots visible on the Sun may not be an indication of changes in the Sun's impact on Earth. Last year, the Earth was bombarded with high levels of solar energy - even though the Sun was in a quiet phase of its 11-year cycle and sunspots had virtually disappeared. |
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Are Sunspots Disappearing?
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| Topic: Sun |
09/08/09 |
| Summary: The Sun is in the deepest solar minimum in nearly a century. Some observers are starting to wonder, are sunspots disappearing? Sunspots can have profound effects on the Earth's climate as well as human and satellite missions in orbit. |
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Living in a Dying Solar System, Part 1
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| Topic: Sun |
07/27/09 |
| Summary: Observations of distant stars tell us about our own future. Roughly 5 billion years from now, the Sun will begin to swell as a red giant, and the solar system will be transformed into a very different place. |
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Touching the Tangled Sun
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| Topic: Sun |
09/03/04 |
| Summary: One of the great mysteries for astronomers is why our Sun's surface is so much hotter than its core. The counterintuitive answer, according to a suite of solar observatories, hinges on the Sun's tangled magnetic field and deep, fiery waves. |
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Flying the Sun to Safety
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| Topic: Sun |
08/23/04 |
| Summary: The Genesis spacecraft spent 27 months collecting atoms from the solar wind as they streamed off the Sun's corona. When the Genesis sample capsule comes hurtling back to Earth on September 8, helicopter pilots will be waiting to grab it out of the sky. |
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Whirly Bird Catches the Urn
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| Topic: Sun |
08/20/04 |
| Summary: The Genesis mission will end September 8th, after capturing the first extraterrestrial samples to be returned since Apollo. The spacecraft has stowed pristine solar wind to help scientists search back in the planetary timeline. |
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