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X-ray astronomy

Adapted from Wikipedia · Explorer experience

An image of the Crab Nebula captured by NASA's Chandra X-ray Observatory, showing the remains of a supernova explosion in space.

X-ray Astronomy

X-ray astronomy is a special way to look at the universe. It uses X-ray light, a kind of light we can’t see with our eyes. Very hot objects in space, like stars and gases, shine brightly in X-rays.

Because Earth’s air blocks X-rays, scientists use balloons, rockets, and satellites high above the planet to see these hidden signals. They send special tools up to catch the X-rays that normally get blocked.

The first X-rays from beyond our solar system were found in 1962 by a rocket. This bright spot, called Scorpius X-1, shines much stronger in X-rays than what we see with our eyes. Since then, thousands of X-ray sources have been found, showing us the hidden heat and energy in space.

Scientists have used many ways to study X-rays. They send balloons high into the sky to carry detectors. They also use rockets and satellites orbiting Earth. These tools help us learn about very hot stars, groups of galaxies, and other amazing objects in space.

X-ray astronomy helps us solve space mysteries. It shows us the invisible parts of the universe and helps us understand how stars and other objects work. By looking at X-rays, scientists learn about the hidden heat and energy all around us.

Images

An X-ray image of the dwarf planet Pluto taken by NASA's Chandra X-ray Observatory, showing how Pluto interacts with solar wind.
A scientific diagram showing how gamma rays are absorbed by Earth's atmosphere.
Scientists from the Navy Research Laboratory recover instruments from a V-2 rocket used for studying the upper atmosphere over the New Mexico desert in 1951.
A NASA instrument launched on a rocket to study X-ray emissions from space.
A close-up of the X-ray Mirror Assembly used in space telescopes to detect X-rays using layered foils.
A colorful space image showing a huge bubble of hot gas between the constellations Orion and Eridanus, created by the wind from hot stars.
Astronomers use special tools like the Chandra X-ray Observatory to study stars, galaxies, and other objects in space by looking at different kinds of light.
A colorful X-ray view of the Orion Nebula showing young stars and cosmic energy patterns.
A scientific image of the Sun showing bright loops of hot plasma and its outer atmosphere, the corona, as seen by a NASA satellite.
A Navy rockoon being launched from a ship, with a Deacon rocket suspended below the balloon for scientific research.
A scientific graph showing how the brightness of the star system Her X-1 changes over time, helping us learn about its orbit and behavior.
Diagram showing the path of the Ulysses spacecraft during its second orbit around the Sun.
Colorful space image showing structures around the Eta Carina star system, helping scientists study explosions from long ago.

Related articles

X-ray
Astronomy
Universe
Earth

This article is a child-friendly adaptation of the Wikipedia article on X-ray astronomy, available under CC BY-SA 4.0.

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