Bâjbâim, bâlbâim, bolborosim … și viața este așa de aproape!

Acesta a fost parte din mesajul apostolului Pavel la Atena:

,,El a făcut ca toţi oamenii, ieşiţi dintr-unul singur, să locuiască pe toată faţa pământului; le-a aşezat anumite vremuri şi a pus anumite hotare locuinţei lor,  ca ei să caute pe Dumnezeu şi să se silească să-L găsească bâjbâind, măcar că nu este departe de fiecare din noi. Căci în El avem viaţa, mişcarea şi fiinţa, după cum au zis şi unii din poeţii voştri: ‘Suntem din neamul Lui’…“ (Fapte 17:26-28).

Căautăm viața în materia cosmosului când ea este în Dumnezeu care a dat-o și o poate lua înapoi oricând. Cel ce a zis: ,,Eu sunt Calea Adevărul și Viața“ se uită la noi cu milă. Oare când ne vom întoarce să-L căutăm pe El cu aceeași stăruință cu care ne căutăm iluziile ?

Iată încă o deziluzie care ar trebui să ne înțelepțească:

+++

Alien life may be more unlikely than previously thought, according to new study

Crab Nebula, a supernova explosion 6,500 light years from Earth. Earth-type life may be more rare and precious than is commonly thought, according to a UK study that hints at a cosmic lack of phosphorus.  CREDIT: DR JANE GREAVES/UNIVERSITY OF CARDIFF/PA

Alien life may be more unlikely than commonly thought, according to a UK study that hints at a cosmic lack of phosphorus.

The element is vital to energy storage and transfer in cells, and is part of the chemical backbone of DNA.

Phosphorus is created in supernovae, exploding massive stars at the end of their lives.

But the new research suggests that typical supernovae may not provide the conditions needed for forging the element.

Earth may be unusually lucky, because it happened to be situated close enough to the “right” kind of supernova.

Astronomer Dr Jane Greaves, from the University of Cardiff, said: “The route to carrying phosphorus into new-born planets looks rather precarious.

“We already think that only a few phosphorus-bearing minerals that came to the Earth, probably in meteorites, were reactive enough to get involved in making proto-biomolecules.

“If phosphorus is sourced from supernovae, and then travels across space in meteoritic rocks, I’m wondering if a young planet could find itself lacking in reactive phosphorus because of where it was born?

“That is, it started off near the wrong kind of supernova?

“In that case, life might really struggle to get started out of phosphorus-poor chemistry, on another world otherwise similar to our own.”

The evidence comes from observations of two supernova “remnants”, Cassiopeia A (Cas A) and the famous Crab Nebula.

The team used the UK’s William Herschel Telescope on La Palma, Canary Islands, to look for signatures of phosphorus and iron from the Crab Nebula, the aftermath of a supernova explosion 6,500 light years away in the constellation of Taurus.

A previous study had searched for phosphorus from Cas A, 11,000 light years away.

Comparing results from the two observations showed much less phosphorus from the Crab Nebula than Cas A, which came as a surprise.

Dr Phil Cigan, another of the Cardiff astronomers, said: “The two explosions seem to differ from each other, perhaps because Cas A results from the explosion of a rare super-massive star.”

The findings were presented at the European Week of Astronomy and Space Science meeting in Liverpool.

The scientists now plan to continue their search to see if other supernova remnants also lack phosphorus.

Advertisements


Categories: Articole de interes general

Tags:

1 reply

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

w

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.

%d bloggers like this: