Tiny ASTERIA satellite achieves a first for CubeSats

A miniature satellite called ASTERIA (Arcsecond Space Telescope Enabling Research in Astrophysics) has measured the transit of a previously-discovered super-Earth exoplanet, 55 Cancri e. This finding shows that miniature ...

The best spies in the skies analyze Mellaria

The network of satellites dubbed COSMO-SkyMed (COnstellation of Small Satellites for Mediterranean basin Observation) has analyzed 49 km2 within the territory containing an ancient Roman city: Mellaria, located within the ...

How do you weigh a galaxy? Especially the one you're in?

A new technique for estimating the mass of galaxies promises more reliable results, especially when applied to large datasets generated by current and future surveys, according to a research team led by Ekta Patel at the ...

Image: ESA's Cheops satellite

ESA's Cheops satellite – seen here at Airbus in Madrid – will measure the sizes of known exoplanets by detecting tiny fluctuations in the light of their parent stars. Due to be ready for launch at the end of this year, ...

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