The brightest star in a constellation is called 'alpha' as part of its scientific name. The second brightest star is known as 'beta', while the third is 'gamma'.
Percussion stars, screaming supernovae, black holes singing a B-flat ... Today astrophysicists also tune their ears to scrutinize the din - and melodies - of outer space.
In the constellation Sagittarius is Pistola, one of the brightest stars discovered in the Milky Way. Although it is very bright, it is not visible to the naked eye due to the large amount of interstellar dust that surrounds it.
In the universe there are especially massive, ancient or luminous stars that stand out from the others. In this gallery, we show you the most outstanding ones.
Stars orbiting black holes reach incredible speeds, as if they were in a great cosmic juicer. Its observation allows to study the laws dictated by General Relativity, such as time dilation.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
