ESA title

The mission

Smile will use four science instruments to study how Earth responds to the solar wind from the Sun. This will improve our understanding of solar storms, geomagnetic storms and the science of space weather.

The launch

  • Launch window: 8 April – 7 May 2026
  • Launch location: Europe's Spaceport in French Guiana
  • Launch vehicle: Vega-C
  • Destination: highly elliptical orbit around Earth
Smile

Latest

ESA and CAS teams working on the Smile mission
Science & Exploration

Smile approved for launch in spring 2026

20/11/2025 3603 views 40 likes
Read
Smile sees the light
Science & Exploration

Smile passes gruelling set of tests

15/07/2025 3147 views 40 likes
Read
Perfect placement for Smile’s payload module
Science & Exploration

When two become one: engineers get Smile ready for launch

06/03/2025 2838 views 48 likes
Read
Science & Exploration

Smiles all round: Vega-C to launch ESA solar wind mission

30/04/2024 3321 views 35 likes
Read
The Smile mission
Science & Exploration

ESA gives go-ahead for Smile mission with China

05/03/2019 7824 views 99 likes
Read

More items

  • Science & Exploration

    Introducing the Smile mission – Let’s Smile (episode 1)

    13/11/2024 3747 views 81 likes
    Open item
  • Science & Exploration

    Completing the spacecraft – Let’s Smile (episode 2)

    06/03/2025 1250 views 25 likes
    Open item
  • Science & Exploration

    Testing, testing, testing – Let’s Smile (episode 3)

    15/07/2025 2400 views 36 likes
    Open item
  • Science & Exploration

    Good to go – Let's Smile (episode 4)

    21/11/2025 1034 views 18 likes
    Open item

Smile overview