By Martin Beech

ISBN-10: 331909372X

ISBN-13: 9783319093727

As our closest stellar significant other and composed of 2 Sun-like stars and a 3rd small dwarf celebrity, Alpha Centauri is a perfect checking out flooring of astrophysical versions and has performed a principal function within the historical past and improvement of recent astronomy—from the 1st guesses at stellar distances to realizing how our personal superstar, the sunlight, may need developed. it's also the host of the closest identified exoplanet, an ultra-hot, Earth-like planet lately discovered.

Just 4.4 gentle years away Alpha Centauri is additionally the obvious aim for humanity’s first directed interstellar area probe. this sort of project might display the small-scale constitution of a brand new planetary process and in addition signify step one in what needs to absolutely be humanity’s maximum destiny adventure—exploration of the Milky method Galaxy itself.

For all of its closeness, α Centauri keeps to tantalize astronomers with many unresolved mysteries, corresponding to how did it shape, what number planets does it comprise and the place are they, and the way could we view its broad landscape directly?

In this e-book we circulate from the examine of person stars to the learn of our sun approach and our within sight galactic local. at the approach we'll overview the speedily constructing fields of exoplanet formation and detection.

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Additional resources for Alpha Centauri: Unveiling the Secrets of Our Nearest Stellar Neighbor (Astronomers' Universe)

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R. Moran while observing the Moon through a 6-in. (15-cm) reflecting telescope at a magnification of 40 times. Moran sent his report to Popular Astronomy and gave no indication of having any knowledge of the Steavenson observation. In Moran’s own words, “Whilst viewing the Moon… a small black dot appeared on the disc of the Moon and traveled across the Moon’s disc in about 6 or 8 s. ” On many previous occasions, Moran had witnessed distant birds crossing the face of the Moon. These were always faster and quite easily identified as birds, and he was quite convinced that the object he saw in 1921 had a different explanation.

If you enjoy watching the Venus transit, don’t despair that no more will occur in your lifetime. Although not as spectacular, remember that a transit of Mercury is due in 2016! Mercury These are less spectacular than transits of Venus and have never been held in the scientific esteem of the latter. Nevertheless, they can at least be watched with the knowledge that many observers 50 50 Weird Astronomy of earlier events are still alive and well. I have seen a few myself, missed some others, and am still well under one century old!

4 in. An opaque cardboard cap over the object glass with a circular hole cut to the required diameter will be sufficient for this. It is fascinating to watch the large black dot drift slowly across the face of the Sun. Watch out especially for the Black Drop effect and, of course, for the possibility of anything unexpected. If you enjoy watching the Venus transit, don’t despair that no more will occur in your lifetime. Although not as spectacular, remember that a transit of Mercury is due in 2016!

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Alpha Centauri: Unveiling the Secrets of Our Nearest Stellar Neighbor (Astronomers' Universe) by Martin Beech


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