He uses a wide assortment of telescopes/observatories operating across the electromagnetic spectrum including the Chandra X-ray Observatory, XMM-Newton, Far Ultraviolet Spectroscopic Explorer (FUSE), the Hubble Space Telescope, the Infrared Telescope Facility, and the Very Large Array, and optical telescopes including Keck, Lick, and Kitt Peak.
Eartha Kitt | Peak District | Pikes Peak | Peak Practice | Dante's Peak | La Plata Peak | Devil's Peak | Borah Peak | Victoria Peak | Te Mata Peak | peak | Longs Peak | Kriváň (peak) | Kitt Peak National Observatory | Formosa Peak | Devil's Peak (Cape Town) | Pike's Peak Gold Rush | Peak Forest | Peak Downs | Matterhorn Peak | Laramie Peak | Bragg peak | Zograf Peak | Verchild's Peak | Vaptsarov Peak | Shire of Peak Downs | Pikes Peak International Hill Climb | peak oil | Peak Korzhenevskaya | Nilsen Peak |
Wulf was the guest speaker at the Kitt Peak Experience on 5 June 2005 to mark the Transit of Venus.