Royalty free pulsating photos
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1920x1242px
stethoscope, ecg, electrocardiogram, heartbeat, heart, frequency, curve, cardiology, control Examination, heart Diseases, healthcare
Public Domain
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black, stethoscope, eyeglasses, white, surface, ecg, electrocardiogram, heartbeat, heart, frequency, curve
Public Domain
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1920x960px
red, white, heart rate, monitor, heart illustration, heartbeat, illustration, heart care, medical, care, heart
Public Domain
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2352x2352px
Sigma Scorpii, LBN 1104, spectroscopic binary, B-type stars, Beta Cep, pulsating variable, disentangled spectra, orbital elements, mass estimate, astronomical image, star system
Public Domain
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Messier 51, Whirlpool Galaxy, NGC 5194, Canes Venatici, spiral galaxy, HD 117815, A5 pulsating variable star, space, universe, galaxy, composite image
Public Domain
