![Nasa's Webb telescope is a joy. But it's the private ventures that push at limits | Martin Rees | The Guardian Nasa's Webb telescope is a joy. But it's the private ventures that push at limits | Martin Rees | The Guardian](https://i.guim.co.uk/img/media/446c380e7e1bb78045dacac0ce1dfcbc77068d4c/0_189_3500_2100/master/3500.jpg?width=465&quality=45&auto=format&fit=max&dpr=2&s=546cdf15d3d6988ef8ae4d86f012a76a)
Nasa's Webb telescope is a joy. But it's the private ventures that push at limits | Martin Rees | The Guardian
NASA's James Webb Space Telescope - Tune in! Right now, NASA and Arianespace experts are talking about launching the James Webb Space Telescope and taking your questions! Drop them in the comments
![James Webb-Weltraumteleskop: Teleskop-Spiegel sind perfekt ausgerichtet | Raumfahrt | Weltall | BR Wissen James Webb-Weltraumteleskop: Teleskop-Spiegel sind perfekt ausgerichtet | Raumfahrt | Weltall | BR Wissen](https://www.br.de/wissen/weltall/raumfahrt/james-webb-teleskop-spiegel-100~_v-img__1__1__xl_-fc0f2c4a90a5ebfa79f56bc1c9c6a86c876e2a3c.jpg?version=38694)