Four Amazing Secrets About Total Solar Eclipses
Did you know that in ancient Greece there was a mechanism that eclipses predicted, and that eclipses have an expiration date?
Thetotal solar eclipsethat will take place on the 12th of August All the great events such as the u00A0 are surrounded by fascinating aspects.
A computer that predicted eclipses 2000 years ago.
In the middle of the second century BC the mechanism of the Greek instrument isthe oldest portable astronomical calculator. Made in bronze, it was used to predict eclipses, to maintain a precise calendar, or to calculate the dates of six Greek games, such as those of Olympia.
Such an analog computer was recovered from the Aegean in 1900 from the remnants of a shipwreck, and is preserved in 82 fragments.
The original would consist of a wooden box 33 inches high and 18 inches wide, with two circles, one for the zodiac and the other for the calendar. A side crank set in motion about thirty gears on the ten axes produced by two needles (the Sun and the Moon), to fix the position of these stars relative to the Earth each day of the year.
After the eclipse, "The Tears of Saint Laurendi"
On the 12th of August the eclipse is the protagonist, but it will be a long night for the lovers of heaven, for with the darkness begins one of the most anticipated phenomena of every summer: the rain of stars of the Perseids or the "Tears of Saint Laurendi."
One night of the new moon, dark enough to facilitate observation, fleeting stars will beginto cross the sky, and this year, according to the NASA website, "will be one of the best stellar rains in the northern hemisphere."
Will visually impaired people enjoy the eclipse?
In a kind of synesthesia game, visually impaired people will be able to experience this phenomenon through sound, thanks to the Eclipse Inclusivo project of the Institute of Space Sciences (ICE-CSIC).
The sound will be made from devices called LightSound, which are a little bigger than a mobile phone and, in real time, transform changes in light into sounds.
The bright sunlight begins as a sharp flute tone, and as the moon covers the star, the sound drops to a low clarinet tone before it completely disappears in the whole phase, thus reproducing the whole process, as explained by the Higher Council for Scientific Research (CSIC).
Do total solar eclipses have an expiration date?
According to the director of the National Astronomical Observatory, Rafael Bachiller, the moon is currently moving away from Earth at an average rate of 3.8 centimetres per year, and as the distance increases, the lunar disk appears slightly smaller in our sky.
Thus the apparent diameter of the lunar disk will not be enough to completely conceal the sun, and then the entire eclipses of the sun will disappear forever, and there will only be those in the form of rings.
" We live in a privileged period inthe history of the solar system, "says Bachiller;" in the very distant past total eclipses were longer than those of today; but our descendants, 600 million years from now, will not be able to see any. "
You might like
In the Basque Country the entire solar eclipse will be seen in Fitero for the longest time
The eclipse will look different depending on the location, complete in some places, partial in others, and the duration of the blackout will also vary depending on the location chosen. The best place to enjoy this astronomical event in the Basque Country will be Fitero in Navarre, which will last 86 seconds and where there is great expectation.
Ander Lopez Lerena (Bogotá): 'The earth started to move while we were having breakfast, but it wasn't so much here'
At the time of the earthquake, our colleague from EITB, Ander Lopez de Lerena, was in Colombia. In the capital, he noticed the shock in Bogotá.
The fire in the Niebla area of Huelva remains out of control after burning 20,000 hectares
Firefighters are still unable to control the forest fire in Huelva. The flames in the Fog area continue and have already burned down an area of 20,000 hectares, forcing hundreds of people to leave their homes.
Best moments of the Donostia Pirate Boarding
Hundreds of young people have completed the pirate boarding from the port of San Sebastián to the beach of La Concha. Onternational boats have entered the water and sunk immediately, but others have reached their destination in a festive atmosphere and, as tradition dictates, there has been no shortage of pirate flags and authorised 'boat theft'.
The mayor of Vitoria apologizes to Celedon after criticizing the mixing of politics and parties in the balance sheet of the White Virgin
He attributed his words to a mistake and expressed support for Iñaki Kerejazu, as well as for the victims of 3 March 1976.
A Biscayan has been arrested in San Millán Cuckoo on charges of being the alleged stalker of several girls
Four complaints have been filed against him, and four others are expected to be filed for similar events a few days earlier.
ONCE and the Government present the LightSound device so that visually impaired people can 'hear' the eclipse
It's a revolutionary device for blind or visually impaired people to experience an astronomical phenomenon called LightSound, and it's a device that transforms the intensity of sunlight into real-time sound.
No plan to see the eclipse? Attention to these proposals to enjoy this historic event
We have a wide range of possibilities in the Basque Country: from the sea, from a vineyard or from our peaks, through a guided observation telescope, among others, we can see the eclipse of August 12th.
Vitoria's tram won't run downtown until September
The felling is due to the urbanization of the streets General Alaba and Independencia, which will include homogeneous pavement, partial renovation of roads and various repairs.