Galaxy Zoo
Videos
Galaxy Zoo is a crowdsourced astronomy project which invites people to assist in the morphological classification of large numbers of galaxies. It is an example of citizen science as it enlists the he
Galaxyzoo
ARCSAT and SDSS telescope buildings at the Apache Point Observatory
CW or ACW? This HST image of Messier 101, the Pinwheel Galaxy in its normal S-wise orientation and then reversed.
HST image of NGC 3314, an example of an overlapping galaxy.
Hanny's Voorwerp
Videos
Hanny's Voorwerp is an instance of an astronomical phenomenon called a quasar ionization echo. It was discovered in 2007 by Dutch schoolteacher Hanny van Arkel while she was participating as a volunte
Galaxy Zoo
…process and respond to them. This led volunteers to point out anomalies that on closer inspection have turned out to be new astronomical objects such as 'Hanny's Voorwerp' and 'the Green Pea galaxies'. "I'm incredibly impressed by what they've managed to achieve," says University of Oxford astronomer Roger Davies, former…
Hannys voorwerp
One hypothesis for how Hanny's Voorwerp was formed
A Hubble Space Telescope combined image of eight quasar ionisation echoes, or Voorwerpjes. CREDITS: NASA, ESA and Prof. William Keel
A Hubble Space Telescope image of the Teacup Galaxy SDSS 1430 +13, a Voorwerpje. CREDITS: NASA, ESA and William Keel