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Observational Techniques

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High-Energy Astrophysics

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High-energy astrophysics explores the universe through detection of X-rays, gamma rays, and cosmic rays, uncovering processes involving high energies like those seen in supernovae and black holes.

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Adaptive Optics

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Adaptive optics corrects distortions in astronomical images caused by Earth's atmosphere. It's crucial for ground-based telescopes to achieve images as if they were taken from space.

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Spectroscopy

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Spectroscopy involves measuring the spectrum of an object's light to identify its composition, temperature, density, and velocity. It's essential for studying the chemical makeup of celestial bodies.

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Radio Astronomy

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Radio astronomy studies celestial objects by detecting radio waves they emit, providing insights into phenomena like cosmic microwave background radiation and the structure of galaxies.

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Photometry

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Photometry is the measurement of the flux or intensity of an astronomical object's light. It is used to determine the brightness, distance, and composition of stars and galaxies.

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Interferometry

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Interferometry combines signals from multiple telescopes to simulate a larger aperture, enhancing resolution. It's widely used for high-precision astrometry and imaging of celestial bodies.

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Time-Series Photometry

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Time-series photometry involves measuring the brightness of an object repeatedly over time. It's used to detect exoplanets, variable stars, and to study stellar rotation and pulsations.

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Ultraviolet Astronomy

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Ultraviolet astronomy involves observing celestial objects in the ultraviolet spectrum, providing insights into high-temperature processes and the chemical evolution of galaxies and stars.

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Astrometry

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Astrometry is the study of the positions and movements of celestial bodies. It helps in determining object distances, proper motions, and to infer the gravitational influences of dark matter.

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Infrared Astronomy

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Infrared astronomy studies astronomical objects in the infrared part of the electromagnetic spectrum, which reveals phenomena obscured by dust and cold objects not detectable in visible light.

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