How do we know how old Everything is?
How do we know the age of fossils, the Earth, distant stars and the Universe itself?
Fraser Cain explains in this short video.
The infrequent and often nonsensical ramblings of a curious astronomer. Contains highly non-linear material. And nuts.
How do we know the age of fossils, the Earth, distant stars and the Universe itself?
Fraser Cain explains in this short video.
1.4 δισ. κόστισε η διαστημική αποστολή Ροζέτα. Μηδενικά λένε τα οφέλη για τον άνθρωπο. Αχρείαστη σπατάλη λένε.
Rosetta cost €1.4 billion.
They claim there are practically no benefits. They say it was a huge waste of money.
I will start with the boring facts.
Let's take a look at the numbers.
The total cost of the mission (1996-2015) was €1.4 billion. (An average of €74.7 million p.a.). This translates to € 3.2 for every European taxpayer (€0.2 p.a. from 1996 to 2015).
For comparison:
Tom Service writes in today's Guardian,
...there’s no more arresting opening or ending to any operatic drama than the start of Das Rheingold or the climax of Götterdämmerung. And the 15 hours in between aren’t bad either.Probably not a good starting point then, unless you're really into pompous music, epically long storylines, and always carry with you a well hidden worn-out copy of the Lord of the Rings. The story plunges straight into the mythical landscapes of the Nibelugenlied, written around 1200 AD, whose legends permeate the German psyche the way the stories unfolding in the Iliad stir the Greeks.
Without further ado, here's a powerful piece from the last part of Wagner's Ring cycle, Götterdämmerung.
"Sigfried's Death and Funeral March".