EAN: 9783319093710

ASTRONOMERS UNIVERSE ALPHA CENTAURI - MARTIN ...

As our closest stellar companion and composed of two Sun-like stars and a third small dwarf
star  Alpha Centauri is an ideal testing ground of astrophysical models and has played a
central role in the history and development of modern astronomy-from the first guesses at
stellar distances to understanding how our own star  the Sun  might have evolved. It is also
the host of the nearest known exoplanet  an ultra-hot  Earth-like planet recently discovered.
Just 4.4 light years away Alpha Centauri is also the most obvious target for humanity's first
directed interstellar space probe. Such a mission could reveal the small-scale structure of a
new planetary system and also represent the first step in what must surely be humanity's
greatest future adventure-exploration of the Milky Way Galaxy itself. For all of its closeness
Centauri continues to tantalize astronomers with many unresolved mysteries  such as how did it
form  how many planets does it contain andwhere are they  and how might we view its extensive
panorama directly? In this book we move from the study of individual stars to the study of our
Solar System and our nearby galactic neighborhood. On the way we will review the rapidly
developing fields of exoplanet formation and detection.

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