Olaf Hassel
Encyclopedia
Olaf Hassel was a Norwegian amateur astronomer
. He is known for his discoveries of the comet
Jurlov-Achmarof-Hassel in April 1939 and the nova
V446 Herculis
on 7 March 1960. Hassel was born deaf.
Astronomy
Astronomy is a natural science that deals with the study of celestial objects and phenomena that originate outside the atmosphere of Earth...
. He is known for his discoveries of the comet
Comet
A comet is an icy small Solar System body that, when close enough to the Sun, displays a visible coma and sometimes also a tail. These phenomena are both due to the effects of solar radiation and the solar wind upon the nucleus of the comet...
Jurlov-Achmarof-Hassel in April 1939 and the nova
Nova
A nova is a cataclysmic nuclear explosion in a star caused by the accretion of hydrogen on to the surface of a white dwarf star, which ignites and starts nuclear fusion in a runaway manner...
V446 Herculis
V446 Herculis
V446 Herculis was a nova in the constellation Hercules in 1960. It reached magnitude 2.8.The nova was first observed by Olaf Hassel, on 7 March 1960.L0L-External links:*...
on 7 March 1960. Hassel was born deaf.
External Links
- "Comet Discovered by Amateur Astronomers." Popular Science, September 1939, p. 113.