Month: July 2025

X-RAYS
High-energy electromagnetic radiation emitted by hot and energetic cosmic phenomena.

GAMMA-RAY ASTRONOMY
The study of the highest-energy electromagnetic radiation from space.

X-RAY ASTRONOMY
The study of celestial objects using X-ray radiation.

SOLAR ULTRAVIOLET EMISSIONS
The Sun’s UV output, which affects space weather and Earth’s atmosphere.

ULTRAVIOLET BURST
A sudden increase in UV emissions from celestial objects, often linked to explosive events.

UV EXTINCTION
The absorption and scattering of UV light by interstellar dust.

OZONE LAYER
The part of Earth’s atmosphere that absorbs most UV radiation, making UV astronomy difficult from the ground.

UV SPECTROSCOPY
A method of analyzing UV light to determine the chemical composition of stars and galaxies.

INTERSTELLAR MEDIUM (ISM)
The gas and dust between stars, which can be studied using UV absorption lines.