Download presentation
Presentation is loading. Please wait.
Published byPatience Park Modified over 9 years ago
1
SOLAR FLARES AND ERUPTIONS Lyndsay Fletcher University of Glasgow
2
Sunspots - hotbeds of solar activity
3
Solar minimum, solar maximum
4
An active region seen by Hinode
5
Winding up the magnetic field Gas at the solar equator has a higher speed than that at the poles. This ‘winds up’ the magnetic field - like stretching a rubber band
6
Magnetic Loops
7
Twisted loops images:TRACE/NASA
8
A Solar Flare An explosion in the Sun’s corona cause by magnetic energy build-up
9
Start of a coronal mass ejection A billion tonnes of ionised gas, moving at a million kilometers per hour
10
Coronal mass ejections seen by SOHO
11
During solar maximum, the Sun produces about 3 big mass ejections per day Coronal mass ejections seen by SOHO
12
How do flares and eruptions affect Earth? We live inside the atmosphere of a star!
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.