A nice basic intro to grav waves in preparation for the @LIGO announcement of Feb 11 astro.cardiff.ac.uk/research/gravi… https://t.co/eVu8G6sHHH

Impressive data visualization of the flow of asylum seekers to European countries @lucify_ lucify.com/the-flow-towar… https://t.co/r0hNMNOKPT

Machine learning for astronomy: a Scikit-learn tutorial astroml.org/sklearn_tutori… https://t.co/GNVFMWc5wg

The 4 km-long-arms of the @LIGO gravitational waves detector featured in @apod. Stay tuned! apod.nasa.gov/apod/ https://t.co/igQNjx4F69