Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.


Asteroid photobombs JWST practice shots

An artist's impression of a grey, irregularly-shaped asteroid against a dark background.

Astronomers noticed an asteroid (artist’s impression) less than 250 metres long in an image taken during JWST calibrations. Credit: N. Bartmann (ESA/Webb), ESO/M. Kornmesser and S. Brunier, N. Risinger

Access options

Rent or buy this article

Get just this article for as long as you need it


Prices may be subject to local taxes which are calculated during checkout

Nature 615, 11 (2023)



  1. Müller, T. G. et al. Astron. Astrophys. 670, A53 (2023).

    Article  Google Scholar 

Download references


Nature Careers


Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing


Quick links