Mission Control | Published:

Blue light in the desert night

The HESS array in Namibia waits for a split-second flash of blue light — Cherenkov radiation — that signals an atmospheric shower of charged particles caused by cosmic rays, explains Director Mathieu de Naurois.

Access optionsAccess options

Rent or Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.


  1. 1.

    Abdalla, H. et al. Astron. Astrophys. 612, A1 (2018).

  2. 2.

    Aharonian, F. et al. Astrophys. J. 664, L71–L74 (2007).

  3. 3.

    Abramowski, A. et al. Nature 531, 476–479 (2016).

  4. 4.

    Abramowski, A. et al. Science 347, 406–412 (2015).

Download references

Author information

Correspondence to Mathieu de Naurois.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark
Fig. 1