<a href="https://www.flickr.com/photos/24662369@N07/37737913281" rel="nofollow">Hubble Turns its Gaze Towards New Gravitational-Wave Event</a> by <a href="https://www.flickr.com/photos/24662369@N07" rel="nofollow">NASA Goddard Photo and Video</a> is licensed under <a href="https://creativecommons.org/licenses/by/2.0/" rel="nofollow">CC-BY 2.0</a>
