March 7, 2017 | Amy, Exhibition Developer, Science Museum

Firing a satellite into orbit doesn't sound like exciting news, but yesterday's launch of Sentinel-2B really is.

Sentinel-2B will work with another Sentinel satellite to completely map the Earth's surface every five days. The Sentinel family is giving us a level of detail we've never had before. The data can be used by anyone for all sorts of things, from monitoring how cities grow, to studying wildlife habitats.

I think it's essential to measure the effects we're having on our planet. How else can we work out ways to fix the damage we're doing?

Sentinel-3A, a sister satellite of 2B, is currently featured in our Antenna gallery.

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From about 775 km above the Earth's surface the satellite can see features as small as 10 metres across.

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Image: ESA/ATG medialab

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