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  • Inexpensively-made antennae for the Long Wave Array of radio telescopes at Cal Tech's Owens Valley Radio Observatory seek clues to mysteries of the universe.
    CAe 190704-279.jpg
  • Antennae for the Deep Synoptice Array of radio telescopes at Cal Tech's Owens Valley Radio Observatory seek clues to mysteries of the universe.
    CAe 190704-339.jpg
  • Antennae for the Deep Synoptice Array of radio telescopes at Cal Tech's Owens Valley Radio Observatory seek clues to mysteries of the universe.
    CAe 190704-342.jpg
  • Inexpensively-made antennae for the Long Wave Array of radio telescopes at Cal Tech's Owens Valley Radio Observatory seek clues to mysteries of the universe.
    CAe 190704-319.jpg
  • Inexpensively-made antennae for the Long Wave Array of radio telescopes at Cal Tech's Owens Valley Radio Observatory seek clues to mysteries of the universe.
    CAe 190704-316.jpg
  • Radio telescopes at the Owens Valley Radio Observatory look for an array of clues about the mysteries of the universe.
    CAe 190618-843.jpg
  • Antennae for the Deep Synoptice Array of radio telescopes at Cal Tech's Owens Valley Radio Observatory seek clues to mysteries of the universe.
    CAe 190704-341.jpg
  • Antennae for the Deep Synoptice Array of radio telescopes at Cal Tech's Owens Valley Radio Observatory seek clues to mysteries of the universe.
    CAe 190704-337.jpg
  • Radio telescopes at the Owens Valley Radio Observatory look for an array of clues about the mysteries of the universe.  The Sierra Nevada rises behind them.
    CAe 190618-866.jpg
  • Radio telescopes at the Owens Valley Radio Observatory look for an array of clues about the mysteries of the universe.  The Sierra Nevada rises behind them.
    CAe 190618-854.jpg
  • Radio telescopes at the Owens Valley Radio Observatory look for an array of clues about the mysteries of the universe.  The arid Inyo Mountains rise in the background.
    CAe 190618-852.jpg
  • Radio wave receivers for the Long Wave Array project at OVRO look for possible clues about life on other planets. Behind are more conventional radio telescopes and the eastern escarpment of California's Sierra Nevada.
    CAe 190618-790.jpg
  • Radio telescopes for the Deep Synoptic Array look for mysterious "Fast Radio Bursts" coming from deep in space. Behind is the Palisade Glacier region of the Sierra Nevada.
    CAe 190618-755.jpg
  • Inexpensively-made antennae for the Long Wave Array of radio telescopes at Cal Tech's Owens Valley Radio Observatory seek clues to mysteries of the universe.
    CAe 190704-309.jpg
  • Radio telescopes for the Deep Synoptic Array look for mysterious "Fast Radio Bursts" coming from deep in space. Behind is the Palisade Glacier region of the Sierra Nevada.
    CAe 190618-871.jpg
  • Radio telescopes at the Owens Valley Radio Observatory look for an array of clues about the mysteries of the universe.  The Sierra Nevada rises behind them.
    CAe 190618-864.jpg
  • Radio telescopes at the Owens Valley Radio Observatory look for an array of clues about the mysteries of the universe.
    CAe 190618-847.jpg
  • Radio telescopes at the Owens Valley Radio Observatory look for an array of clues about the mysteries of the universe.  The arid Inyo Mountains rise in the background.
    CAe 190618-839.jpg
  • Radio telescopes at the Owens Valley Radio Observatory look for an array of clues about the mysteries of the universe.
    CAe 190618-829.jpg
  • Radio telescopes for the Deep Synoptic Array look for mysterious "Fast Radio Bursts" coming from deep in space. Behind is the Palisade Glacier region of the Sierra Nevada.
    CAe 190618-756.jpg
  • Dr. Gregg Hallinan stands beside new radio telescopes for the Deep Synoptic Array looking for mysterious "Fast Radio Bursts" coming from deep in space.
    CAe 190618-652.jpg
  • Dr. Gregg Hallinan examines the mass of cables running between his radio telescopes and the computer at the Long Range Array at OVRO.
    CAe 190618-720.jpg
  • Dr. James Lamb, site director for OVRO, shows one of the pieces of a radio telescope that he makes himself in the workshop.
    CAe 190618-639.jpg
  • The 40-meter radio telescope at OVRO is one of the largest in the world and with adjustments for inflation cost $70 million (TK) to build.
    CAe 190618-351.jpg
  • A network of high-powered computers processes massive amounts of information produced every second by the radio receivers at the Long Wave Array at OVRO.
    CAe 190618-251.jpg
  • Dr. Gregg Hallinan examines the mass of cables running between his radio telescopes and the computer at the Long Range Array at OVRO.
    CAe 190618-697.jpg
  • Dr. Mark Hodges explains some of the mechanics behind the 40 Meter Radio Telescope at OVRO.   Hodges is the program's outreach and design engineer.
    CAe 190618-323.jpg
  • Dr. Gregg Hallinan examines the receiver atop one of the inexpensive radio telescopes he designed for the Long Range Array at OVRO.
    CAe 190618-672.jpg
  • Dr. Gregg Hallinan, Professor of Astronomy; Director, Owens Valley Radio Observatory; PI of the OVRO-LWA and DSA projects.
    CAe 190618-568.jpg
  • An array of inexpensive radio wave receivers are the the heart opf the Long Wave Array at OVRO>
    CAe 190618-259.jpg
  • Dusk falls over radio receivers for the Long Wave Array project at OVRO.
    CAe 190618-946.jpg
  • Dusk falls over radio receivers for the Long Wave Array project at OVRO.
    CAe 190618-935.jpg
  • Dusk falls over radio receivers for the Long Wave Array project at OVRO.
    CAe 190618-927.jpg
  • Radio wave receivers for the Long Wave Array project at OVRO look for possible clues about life on other planets.
    CAe 190618-822.jpg
  • Radio wave receivers for the Long Wave Array project at OVRO look for possible clues about life on other planets.
    CAe 190618-819.jpg
  • Radio wave receivers for the Long Wave Array project at OVRO look for possible clues about life on other planets. Behind them is the Palisade Glacier and Sierra Nevada.
    CAe 190618-801.jpg
  • Radio wave receivers for the Long Wave Array project at OVRO look for possible clues about life on other planets. Behind them is the Palisade Glacier and Sierra Nevada.
    CAe 190618-798.jpg
  • Radio wave receivers for the Long Wave Array project at OVRO look for possible clues about life on other planets. Behind is the eastern escarpment of California's Sierra Nevada.
    CAe 190618-786.jpg
  • Dr. Gregg Hallinan examines the receiver atop one of the inexpensive radio telescopes he designed for the Long Range Array at OVRO.
    CAe 190618-689.jpg
  • Dr. Gregg Hallinan examines the receiver atop one of the inexpensive radio telescopes he designed for the Long Range Array at OVRO.
    CAe 190618-665.jpg
  • Dr. James Lamb: Site Director at OVRO, graphs periodic signal anomolies that indicate msterious radio bursts coming from space.
    CAe 190618-586.jpg
  • The 40-meter radio telescope at OVRO is one of the largest in the world and with adjustments for inflation cost $70 million (TK) to build.
    CAe 190618-376.jpg
  • The 40-meter radio telescope at OVRO is one of the largest in the world and with adjustments for inflation cost $70 million (TK) to build.
    CAe 190618-355.jpg
  • The 40-meter radio telescope at OVRO is one of the largest in the world and with adjustments for inflation cost $70 million (TK) to build.
    CAe 190618-353.jpg
  • An array of inexpensive circuit boards atop radio wave receivers are the the heart of the Long Wave Array at OVRO.
    CAe 190618-264.jpg
  • Dr. Jonathon Kocz describes the input feeds between the radio antennas and the computer complex at the Long Wave Array at OVRO.  He leads the Digital Development Lab for OVRO (based at Caltech) and builds the digital systems for both the OVRO-LWA and DSA
    CAe 190618-236.jpg
  • Dr. Jonathon Kocz describes the input feeds between the radio antennas and the computer complex at the Long Wave Array at OVRO.  He leads the Digital Development Lab for OVRO (based at Caltech) and builds the digital systems for both the OVRO-LWA and DSA
    CAe 190618-214.jpg
  • Dr. Jonathon Kocz describes the input feeds between the radio antennas and the computer complex at the Long Wave Array at OVRO.  He leads the Digital Development Lab for OVRO (based at Caltech) and builds the digital systems for both the OVRO-LWA and DSA
    CAe 190618-202.jpg
  • A tangle of cables feeds information from radio receivers to the computer complex at the Long Wave Array of the OVRO.
    CAe 190618-200.jpg
  • Gregg Hallinan, Professor of Astronomy; Director, Owens Valley Radio Observatory; PI of the OVRO-LWA and DSA projects.
    CAe 190618-153.jpg
  • Dr. Sandy Weinreb leads the Microwave Electronics lab at Caltech.
    CAe 190618-294.jpg
  • Project Scientist Dr. Marin Anderson stands beside the computer complex for the Long Wavbe Array at OVRO. Jonathon Kocz: Leads the Digital Development Lab for OVRO.
    CAe 190618-240.jpg
  • Writer Po Bronson at OVRO
    CAe 190618-602.jpg
  • Test shot for LWA night photography.
    CAe 190618-969.jpg
  • CAe 190618-913.jpg
  • Writer Po Bronson at OVRO
    CAe 190618-605.jpg
  • Writer Po Bronson at OVRO
    CAe 190618-591.jpg
  • Dr. Greg Hallinan discusses some of the cosmic factors determining whether a planet might be able to support life.
    CAe 190618-479.jpg
  • Dr. Greg Hallinan discusses some of the cosmic factors determining whether a planet might be able to support life.
    CAe 190618-417.jpg
  • Drs. James Lamb (L) & Gregg Hallinan examine data from the Long Wave Array at OVRO.
    CAe 190618-388.jpg
  • BAFFIN ISLAND, Nunavut, Canada. Inuit hunters sit out a storm in a tent, catching up on regional gossip on a short-wave radio.  (L to R: Laimakie Palluq, Jushua Illuaq & Joannasie Apak).
    BI 2571.jpg
  • Having reached the South Pole, about halfway through the 1989-1990 Trans-Antarctica Expedition, Jean-Louis Etienne and Victor Boyarsky attempt to radio news to the outside world.
    SP 020.jpg
  • Mountaineers communicate by radio during a mountaineering expedition to Queen Maud Land
    QM 7243.jpg
  • BAFFIN ISLAND, Nunavut, Canada. Alex Lowe (MR) monitors climbing progress on radio from Portaledge camp on Great Sail Peak, an Arctic big wall climb.
    BI 5953.jpg
  • BAFFIN ISLAND, NUNAVUT, CANADA. Mountaineer Alex Lowe, in hanging camp, hears on radio that leaders are near summit of Great Sail Peak. Stewart Valley bkg. (MR)
    BI 5950.jpg
  • ROMANIA. Biologist Peter Suerth and his dog track a radio-collared wolf in the Transylvanian Alps (Carpathian Mountains) near Zarnesti
    RO 0643.jpg
  • CAe 190704-107.jpg
  • The steeple of an old Russian Orthodox church and a modern communications tower demonstrate the contrasts to be found in the northern Russian shipping port of Arkhangel'sk.
    RUe 070426-154.jpg
  • A Yanayacu Indian family relaxes in their hut in San Juan de Yanayacu village in Peru's Amazon Jungle.
    PEe 091111-749-2.jpg
  • Tourists in a Zodiac raft explore Seno Chico (Small Fjord) in Alberto de Agostini National Park, Tierra del Fuego, Chile.
    CHe 081024-041.jpg
  • CAe 190618-315.jpg
  • CAe 190618-141.jpg
  • Tourists brave wind, rain and waves in a Zodiac raft as a guide drives them back to their ship from Half Moon Island, Antarctica.
    ATe 080223-216.jpg
  • Enduring rain, tourists admire fearless gentoo penguin chicks on a beach on Aitcho Island, Antarctica.
    ATe 080218-238.jpg
  • A power plant burns locally-mined coal in Longyearbyen, Norway's northmost town.
    SV 3128.jpg
  • An Inyo County (California) sherrif's deputy responds to a call for assistance.
    OV 3597.jpg
  • An Inyo County (California) sherrif's deputy responds to a call for assistance.
    OV 3591.jpg
  • Mountaineer Mark Synnott dozes during a ten hour belay as Alex Lowe leads extreme aid climbing on Great Sail Peak, an Arctic big-wall rock climb on Canada's Baffin Island. (An automatic belay device would catch a fall).
    BI 4771.jpg
  • BAFFIN ISLAND, Nunavut, Canada. Mark Synnott advises big-wall climbers about route as he watches through telephoto lens from base camp.
    BI 3845.jpg
  • Guides from the National Geographic Endeavor use a Zodiac raft to ferry passengers back to the ship from Whaler's Bay on Deception Island, an active caldera in Antarctica.
    ATe 080223-162.jpg
  • BAFFIN ISLAND, Canada, Alex Lowe monitors climbing progress on radio, from Portaledge camp.
    BI 5949.jpg
  • Scientist checks radio domes at Ny Alesund used in satellite studies.
    SV 5078.jpg
  • Charter plane lands on icy strip beside old radio domes a Ny Alesund.
    SV 5053.jpg
  • Mike Sharp talks on short wave radio from a tent in Queen Maud Land, Antarctica
    QM 0464.jpg
  • MONGOLIA, Darhad Valley, Nomadic herder pulls community's solar-powered radio telephone
    MG 1702.jpg
  • CALIFORNIA. Inyo County deputy sheriff Tim Edmunds  checks scene at rough-and-tumble desert bar in Tecopa. His "beat" is the largest in USA., much of it beyond radio contact.
    CA 5053.jpg
  • Dr. Peter Hackett, a founder of the Himalayan Rescue clinic near Mount Everest, radios for a rescue in Pheriche, Nepal, 1980
    L 0265.jpg