Living with(in) a star Rebecca Centeno High Altitude Observatory.

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Presentation transcript:

Living with(in) a star Rebecca Centeno High Altitude Observatory

Credit: Daniel López (El cielo de Canarias)

NASA/GOES image taken from ISS Credit: Daniel López (El cielo de Canarias)

4 Sunspots Scheiner, 1625

5 NST/BBSO Sunspots

Solar Cycle

SOHO/NASA Solar Cycle

Space Weather Image credit: NASA

Coronal Mass Ejections Solar Flares High Speed Streams Solar Energetic Particles Image credit: NASA Space Weather Sunspots are the main sources of the Sun's short-term variability

Filament eruption (August 31, 2012) SDO/AIA

Filament eruption (August 31, 2012) SDO/AIA

Heliospheric current sheet (source: Lempfi, NASA GSFC)

Heliospheric current sheet (source: Lempfi, NASA GSFC) Credit: Windows to the Universe BEBE

Heliospheric current sheet (source: Lempfi, NASA GSFC) Credit: Windows to the Universe BEBE B IMF

Forecasting Space Weather Solar dynamo (generation of the Sun’s magnetic field) 3D topology and evolution of sunspot fields. Schrijver & Title Muñoz-Jaramillo

Forecasting Space Weather Solar dynamo (generation of the Sun’s magnetic field) 3D topology and evolution of sunspot fields. What makes the magnetic fields of sunspots erupt?

Forecasting Space Weather How much energy is released in the eruption? How will it propagate outwards into the interplanetary medium? Determining the direction of B at the magnetopause. SunEarth C. de Forest (SwRI)

1362 kW/m²

The Pale Blue Dot, 1990 (picture of the Earth taken by Voyager 1 as it was about to leave the Solar System) “All of human history has happened on that tiny pixel, which is our home.” - Carl Sagan

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