On April 24, 1990, the Hubble Space Telescope was launched into space. On his twentieth birthday we collect some of his most recent contributions to the knowledge of the Cosmos.
Apparently positive status updates, which convey joy and happiness, provoke exactly the same in others, which makes happiness viral thanks to social networks.
The circle is closing more and more around possible exoplanets that could host life thanks to the presence of water. So much so that a team of astronomers from the University of Puerto Rico has drawn up a list of the 9 candidates. They are as follows:
Mercury is about 5,000 kilometers in diameter; It is, in fact, the smallest planet in the solar system, and even smaller today. A team of NASA astronomers has discovered that the planet has a slightly smaller radius than previously thought, because the contraction it has suffered in the last 4 billion years has been much more pronounced than previously imagined. experts. This contraction has shrunk its radius by about 7 kilometers.
The asteroid Erígone will hide the star Regulus for a few seconds next Wednesday, March 20 (in the transition of the night from March 19 to 20) when it passes close to Earth. One of the interesting details of this phenomenon will be that New York City and other areas of the northern United States will be able to observe this event with the naked eye, without the need for specialized instruments.
The fossil of the new dinosaur, baptized with the name of "Nanuqsaurus hoglundi" is 70 million years old and was discovered in northern Alaska, in the area of "Prince Creek Formation".
Apparently the writer Jules Verne was not far off when in 1864 he envisioned a "Journey to the center of the Earth" in which the protagonists found themselves in an authentic ocean in the depths of our globe. Although it is not an ocean, the discovery of a water-rich diamond offers new evidence for the existence of large volumes of water in the depths of the Earth.
This is the conclusion of a study carried out by the Jiatong University of Beijing (China) that has analyzed the evolution of 6 million tweets worldwide.
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.
