Tag #Solar Weather

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news.sky.com

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Jun 18, 13:15

ESA's Proba-3 Creates Artificial Solar Eclipse for Unprecedented Solar Observation

The European Space Agency's Proba-3 mission successfully used two driverless spacecraft to create an artificial solar eclipse in March, enabling the capture of detailed images of the sun's corona over six hours, exceeding the capabilities of natural eclipses.

ESA's Proba-3 Creates Artificial Solar Eclipse for Unprecedented Solar Observation

The European Space Agency's Proba-3 mission successfully used two driverless spacecraft to create an artificial solar eclipse in March, enabling the capture of detailed images of the sun's corona over six hours, exceeding the capabilities of natural eclipses.

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What is the significance of the Proba-3 mission's successful creation of an artificial solar eclipse?

Two ESA spacecraft, Proba-3's Occulter and Coronagraph, performed a synchronized flight creating an artificial solar eclipse to capture detailed images of the sun's corona. This allowed for unprecedented observation of the sun's outer atmosphere, which is usually obscured by the sun's brightness. The artificial eclipse lasted up to six hours, far exceeding the few minutes of a natural solar eclipse.

forbes.com

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Jan 31, 16:08

Geomagnetic Storm to Bring Aurora Borealis to Parts of the U.S.

A geomagnetic storm expected this weekend may bring the aurora borealis to parts of the U.S., with northern Canada and Alaska having the highest likelihood, according to NOAA; optimal viewing is between 10 p.m. and 2 a.m. local time in areas with minimal light pollution.

Geomagnetic Storm to Bring Aurora Borealis to Parts of the U.S.

A geomagnetic storm expected this weekend may bring the aurora borealis to parts of the U.S., with northern Canada and Alaska having the highest likelihood, according to NOAA; optimal viewing is between 10 p.m. and 2 a.m. local time in areas with minimal light pollution.

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What are the optimal conditions for viewing and photographing the aurora borealis during this period of increased solar activity?

The aurora borealis visibility will depend on factors such as location, time, and light pollution. Optimal viewing conditions occur between 10 p.m. and 2 a.m. local time at high vantage points away from light sources. The increased solar activity, peaking in October, is responsible for this phenomenon.

cnn.com

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May 1, 13:15

Unprecedented Sun Image Reveals Continent-Sized Sunspots, Improving Solar Weather Prediction

The Inouye Solar Telescope's new Visible Tunable Filter captured a high-resolution image of the sun's surface in early December 2023, revealing continent-sized sunspots indicative of intense magnetic activity and the potential for disruptive solar flares and CMEs, improving predictions of dangerous ...

Unprecedented Sun Image Reveals Continent-Sized Sunspots, Improving Solar Weather Prediction

The Inouye Solar Telescope's new Visible Tunable Filter captured a high-resolution image of the sun's surface in early December 2023, revealing continent-sized sunspots indicative of intense magnetic activity and the potential for disruptive solar flares and CMEs, improving predictions of dangerous ...

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How does the sunspot formation mechanism, as revealed by the new image, affect the sun's energy output and its interaction with Earth?

The high-resolution image, the first from the VTF, allows scientists to study the sun's complex magnetic fields and their impact on solar activity. Sunspots appear darker due to magnetic fields preventing heat from reaching the surface; however, they remain significantly hotter than anything on Earth. This detailed view helps understand the 11-year solar cycle and predict the intensity and frequency of CMEs.

mk.ru

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Dec 24, 10:09

Parker Solar Probe Achieves Record-Breaking Close Solar Approach

NASA's Parker Solar Probe, on December 24th, 2023, completed its closest approach to the Sun at 692,000 kilometers per hour, becoming the fastest human-made object while gathering data to understand solar wind, coronal heating, and coronal mass ejections impacting Earth.

Parker Solar Probe Achieves Record-Breaking Close Solar Approach

NASA's Parker Solar Probe, on December 24th, 2023, completed its closest approach to the Sun at 692,000 kilometers per hour, becoming the fastest human-made object while gathering data to understand solar wind, coronal heating, and coronal mass ejections impacting Earth.

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How does the Parker Solar Probe's unique design and autonomous operation enable its close-range solar observations?

The Parker Solar Probe's close solar flyby, occurring on December 24th, 2023, is one of three planned close approaches. This proximity allows the probe to sample particles and magnetic fields within the Sun's corona, gathering data crucial to understanding solar wind formation, coronal heating, and coronal mass ejections (CMEs). These CMEs, when directed toward Earth, can cause geomagnetic storms impacting satellites and infrastructure.

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