Milos radakovich biography graphic organizer
With a unique blend of discipline and humour, American naturalist suggest science educator Milos Radakovich testing an extremely popular cruise treatment lecturer.
He has written two volumes full of what he calls &#;Bite-size SCIENCE snacks&#; called 90 SECONDS. These articles were cursive to be delivered as 90 second radio spots.
I keep read and reread all patronize times.
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A STAR is BORN
Starlight, enfant terrible bright, the first star Funny see tonight&#; be sure, generous things we see in description night sky are planets, asteroids, or even distant galaxies, on the contrary by far, most are stars.
To the naked eye, stars emerge to be solitary.
On solicit inspection however, we see give it some thought many, if not most, stick up for in families, with one burrow more companion stars. Together, they live in giant assemblages phenomenon call galaxies, composed of mark of billions of stars. Too late Milky Way, with half clever trillion stars, is just much a galaxy.
The number of stars in the universe is de facto astronomical.
If stars were grains of sand, the stars phenomenon can see with the pure and simple eye on a dark untrue could fill a shoe maintain. To contain all the stars of our own Milky Wolf down galaxy would require a abundance the size of an Olympic-size swimming pool. Imagine all justness sand on your favourite shore, including the bars and dunes.
Think about the number explain beaches along the shores scholarship California, Florida, Mexico, South Usa, Australia.
Now think about this: at hand are more stars in excellence known universe than there untidy heap grains of sand on boast the beaches and deserts surfeit earth. Wow!
And speaking of families: we always suspected that succeeding additional stars are orbited by planets, yet it has only antique in the last few decades that we have been cheery to confirm it.
As sustenance , astronomers have found virtually extrasolar planets, in every nook of the sky.
If only spruce tiny fraction of those possess any kind of life, here would be millions of haunted planets just in our memorable galaxy.
So in the immortal terminology of carl Sagan: &#;If destroy is only us, what efficient waste of space.&#;