On this day in 1931 - May 27th - Swiss physicist and explorer Auguste Piccard, with Paul Kipfer, became the first persons to travel into the stratosphere.
They reached a record altitude in a balloon with a pressurized aluminum gondola designed by Piccard. Piccard wanted to measure the activity of cosmic rays and investigate Einstein's theory of relativity.
By comparing the apparent distance between stars in the constellation Taurus, with and without the Sun between them, British astrophysicist Arthur Eddington confirmed the theoretical predictions about gravitational lensing.
On this day in 1959 - May 30th - Claudia Joan Alexander was born.
Alexander, a geophysicist and planetary scientist, was the last project manager of NASA's Galileo mission to Jupiter and until her death was the project manager and scientist of NASA's role in the European Rosetta mission.
On this day in 1858 - June 2nd - Giovanni Battista Donati first observed the comet that bears his name.
Comet Donati, formally designated C/1858 L1 and 1858 VI, was one of the most brilliant comets of the 19th century. It inspired artists and poets and was also the first comet to be photographed, though the photograph has apparently been lost.
We take forum safety very seriously here at BellaOnline. Please be sure to read through our Forum Guidelines. Let us know if you have any questions or comments!