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Large coronal hole

The high-speed wind stream associated with a large coronal hole affected the earth environment from 26 March onwards.

The STCE in 2023

The STCE Annual Report 2023 is now available at https://www.stce.be/annualReport

Surprize X-class flare

NOAA 4046 was the source of a surprize X1 flare which, following interaction with a nearby prominence, produced an impressive coronal mass ejection. The bulk of the CME is not directed to Earth. ***UPDATED***

Partial solar eclipse coming up

 

Radiation in space

A brief discussion on astronauts and the radiation dose they accumulate.

Solar poles coming into view

The EUI telescope on Solar Orbiter is getting its first glimpses of the poles of the Sun.

Coronal hole

The earth environment was under the influence of a solar wind stream from an equatorial coronal hole from 8 till 10 March.

SolO's science nuggets

Solar Orbiter just celebrated its 50th science nugget!

The Oscar for best CME goes to...

Late on 24 February, a filament erupted from behind the Sun's southwest limb. This eruption was associated with a long-duration M-class flare, a minor proton event, and a truly impressive coronal mass ejection.

PROBA-3 gazes at stars

ASPIICS star field

PROBA-3 took a snapshot of a star field – in the very first image captured by the mission’s coronagraph ASPIICS.

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