Birding, hiking, cycling and stargazing are other pursuits for visitors. The observatory is open for public stargazing on Saturday nights April through October. Gilbert also had an observatory for stargazing. The BBC television programme "Stargazing Live" is hosted in the control room of the observatory. The fortress has an events programme, including films, lectures, tours, stargazing and ghost nights. These factors historically made Mauna Kea an excellent spot for stargazing. Stargazing with Maggie Aderin-Pocock and has presented the CBeebies Prom at the Royal Albert Hall. In 2017, Justin co-wrote "Stargazing" for Kygo with Stuart Crichton and Jamie Hartman. The story ends with Streeter and his wife stargazing. The 1993 album "The Window of Life" by Pendragon includes a song entitled "Nostradamus (Stargazing)". Wundt measured mental processing speed by likening it to differences in stargazing measurements. The Stargazing Pods opened on 12 April 2019. Ridge has also appeared on "Stargazing Live". The third and final single, "Stargazing", was released to radio stations in January 2009. "Stargazing", released in 2017, hitting over 170 million streams.