Portrait of senior man enjoys a city life from observation deck
Close-Up of Student's Hands Annotating Lecture Notes with Pen
Modern telescope inside a sci-fi observatory dome during sunny day. Modern white telescope inside a sci-fi, geosphere observatory dome during a sunny day.
The man stands on the top of building on the starry cityscape background
Astronaut in a spacesuit aboard a spaceship, 3D render
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity. Elements of this image furnished by NASA
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African American male security guard sits at the workplace in the office and looks at camera. Computer monitor with real-time view from CCTV
Mixed young woman gracefully dancing on high heels at observation deck
Dispatcher in airport controls the air-traffic with binoculars
A Victorian era scientist working in his laboratory using a dip pen to document observations made through a brass microscope typical of the time period.
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Laboratory Research on Chemical Innovations With Advanced Technology and Equipment
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Close-Up of Young Boy Relaxing in nature with his mother and little brother at sunset
Insight Mars exploring the surface of red planet. Elements furnished by NASA.
A modern astronomical observatory building on a steep rocky coast. A modern astronomical observatory building on a steep rocky coast. Few concrete staircases with lanterns leading to it.
Businessman writing ideas in a notebook at sunset. Men makes notes in a notebook on paper at sunset. Concept of generating ideas and business projects
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Research Chemist Samples in High-Tech Laboratory With Innovative Equipment
Paris, France - The Tour Eiffel Tower La dame de fer seen from an Alley Street
Radio telescope explores night sky
One Young Man Gazing Up At Sky Observing Upwards Male Person Close Up Head Looks Above In Wonder And Contemplation Contemplating Life And The Universe Enjoying The Beauty Of Nature And The Sky Searching For Inspiration And Hope
Opportunity Mars exploring the surface of red planet
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Chemicals in Neon Purple Light Using Advanced Laboratory Equipment
Modern telescope starts tracking the star while the dome door opens.
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Male mature installer sets up security camera in office room, adjusts the angle, uses tablet computer with professional program. Monitoring
Observing Senior Gentleman in Urban Setting with Binoculars
Senior man enjoys river from observation deck
Advanced man backpacker looking through binoculars, planning route in forest, getting lost in woodland, free space
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Caucasian female safeguard sits at workplace in office, works using computer. PC monitor with CCTV cameras video footage. African American
Two researchers in development center monitoring behavior of hurricane exploring live map changes. Elements of this image furnished by NASA
Aerial view from a drone - a lookout tower on the top of a forested hill
Professional chemist wearing protective uniform with gloves mixing blue solution in flask and looking close-up, observation. Working in modern laboratory, researching and experiments.
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity on big screen. Elements of this image furnished by NASA
Lifestyle portrait of calm African American man listening to music in wireless headphones, enjoying panoramic urban view at dawn while standing on observation deck.
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Professional male installer in uniform security camera to the ceiling in office room using tool and adjusts the angle. Monitoring and
Security guards eating donuts while watching the surveillance cameras on screen while working late at night in an office with modern equipment
Insight Mars exploring the surface of red planet
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity. Elements of this image furnished by NASA
The telescope against the night starry sky
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Male mature installer in uniform sets up CCTV camera in office room using professional software on tablet computer. Monitoring and tracking
A man looking through a magnifying glass close-up
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Male mature technician watches and controls CCTV cameras in modern office using tablet computer. Tablet screen shows security cameras
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African American male security operator or dispatch in uniform uses tablet computer, looks at screens sitting at the workplace in monitoring
Exploring the Valley: Female Traveler Observing with Binoculars
The silhouette of a massive earth-based space observatory satellite telescope scanning the night sky.
Radio telescope explores evening sky against scenic sunset
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Research Chemist Samples With Advanced Technology in Modern Laboratory Setup
close up of walking feets in dark spooky night. police crime observation. criminal drug dealer
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Laboratory Research on Chemical Innovations in Medicine With Advanced Technology
surveillance monitoring. observation supervision. security camera view. persons