SpaceX’s “Starlink” satellites: This is what’s behind Elon Musk’s project

Spacex Starlink.

The “Starlink” project by SpaceX and Elon Musk aims to make high-speed Internet available everywhere. Many satellites are required for this – that is a source of criticism. The private space company SpaceX of Elon Musk wants fast Internet from space For this purpose, thousands of satellites are to be brought into orbit Astronomers have… Continue reading SpaceX’s “Starlink” satellites: This is what’s behind Elon Musk’s project

What is the Solar System?

Eight planets orbit the sun in our solar system

The earth is not alone in space: people have long been observing the sun, moon and stars in the sky. They discovered early on that some stars are moving. These wandering stars were observed and their paths followed. But for a long time their movements were not understood – until about five hundred years ago… Continue reading What is the Solar System?

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Categorized as Astronomy

What are Stars? A Short Introduction.

The brightest star in the sky is Sirius, also known as the “Dog Star” or Alpha Canis Majoris

One of the most beautiful spectacles that exists in our world is the view of the starry sky on a dark moonless night. But what are stars? Do stars shine on their own? Stars and galaxies Dimensions, mass and luminosity of stars Red Dwarfs White Dwarfs Red supergiants The hidden mass of the universe Stars… Continue reading What are Stars? A Short Introduction.

Chinese astrophysicists discovered the fastest rotating star of the Milky Way

The fastest rotating star in the Milky Way belongs to the spectral class O6.5 - these are hot blue stars

The star LAMOST J040643.69 + 542347.8 is located in the outer arm of the Milky Way. Astrophysicists discovered the fastest spinning star in the Milky Way Galaxy. Its distance of about 30 thousand light years from the Sun, and its upper layers rotate at a record high speed. About 540 kilometers per second, which is… Continue reading Chinese astrophysicists discovered the fastest rotating star of the Milky Way