An image of stars, dust and gas nebula in a far galaxy.
Astronomy

What Is a Neutron Star?

July 16, 2022

A neutron star is formed at t he very center of a supernova. Owing to the Pauli exclusion principle of quantum physics, neutrons start exerting an outward pressure, stopping the gravitational collapse of the neutron star’s interior. […]

An image of deep outer space against the background of stars and nebula
Astronomy

Riccardo Giacconi: Pioneering X-ray Astronomy

July 8, 2022

Riccardo Giacconi’s invention, a fully imaging X-ray telescope allowed astronomers to map and observe previously undetected X-ray sources across the sky. It was based on placing mirrors that would allow the X-rays to graze the surface and be reflected. […]

A neutron star in the small Magellanic Cloud
Astronomy

The Different Types of Supernovae

June 30, 2022

Astronomers classify supernovae according to the presence of hydrogen in their spectra. Therefore, these are classified into Type l and Type II categories. […]

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