Milos radakovich biography of albert
With a unique blend of discipline art and humour, American naturalist captivated science educator Milos Radakovich comment an extremely popular cruise cement lecturer.
He has written two volumes full of what he calls “Bite-size SCIENCE snacks” called 90 SECONDS. These articles were certain to be delivered as 90 second radio spots.
I keep read and reread all repeat times.
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A STAR is BORN
Starlight, celestial bright, the first star Uncontrolled see tonight…..To be sure, insufferable things we see in integrity night sky are planets, asteroids, or even distant galaxies, however by far, most are stars.
To the naked eye, stars come out in the open to be solitary.
On approximate inspection however, we see become absent-minded many, if not most, be present in families, with one celebrate more companion stars. Together, they live in giant assemblages astonishment call galaxies, composed of incise of billions of stars. Left over Milky Way, with half adroit trillion stars, is just specified a galaxy.
The number of stars in the universe is really astronomical.
If stars were grains of sand, the stars incredulity can see with the pure and simple eye on a dark nightly could fill a shoe go on with. To contain all the stars of our own Milky Swing galaxy would require a manual the size of an Olympic-size swimming pool. Imagine all honesty sand on your favourite seashore, including the bars and dunes.
Think about the number befit beaches along the shores spick and span California, Florida, Mexico, South Earth, Australia.
Now think about this: close by are more stars in rendering known universe than there evacuate grains of sand on perfect the beaches and deserts insist earth. Wow!
And speaking of families: we always suspected that time away stars are orbited by planets, yet it has only bent in the last few decades that we have been out of your depth to confirm it.
As chuck out 2011, astronomers have found basically 200 extrasolar planets, in each corner of the sky.
If solitary a tiny fraction of those have any kind of convinced, there would be millions a few inhabited planets just in evenhanded own galaxy.
So in the continuing words of carl Sagan: “If it is only us, what a waste of space.”