Inquiring on the sky (i.e., the Universe) has been present as affair of concern of the
human kind since the early days of the first hominids like homo floresiensis and late
homo sapiens. Fascination of sky watchers on a starry night, with its planets and the
Moon, still today invites the best human minds to struggle for unveiling its secrets.
To extending farther out the reach of our eyes, the telescope was introduced to
astronomy in 1609 by Galileo Galilei.
Black hole, constellation, galaxy, light year, nebula, supernova,... Are the words in the book "Telescopes" Invite you to consult the text book to grasp the pronunciation and set sentences with the words above.
Many businesses do not change when they need to, nor do they
change when they have to. If they did, many fewer would fail. But,
like people, they only change when they want to.
If a change in the way an organisation achieves successful project
outcomes is to be considered, it should be seen as a culture change,
involving adjustments in mindset, values and behaviour; it may involve
abandoning norms and sacred cows.
When the American colonies declared their
independence in 1776, it took 48 days for the
news to cross the Atlantic. The arrival of the
telegraph in 1843 and the telephone in 1876 meant that
news could get to anywhere in the world almost instantly.
The beginning of radio communication in 1896 meant tha
sounds could travel vast distances without the need for
cables. When television arrived in 1936, moving pictures
and sounds had the capability to be seen by millions at
the same time anywhere in the world....
Astronomy is the most ancient science humans have practiced on Earth.
It is a science of extremes and of large numbers: extremes of time – from the
big bang to infinity –, of distances, of temperatures, of density and masses,
of magnetic field, etc.
In our quest to elucidate the origin of the universe and the formation of
galaxies, particularly that of the Milky Way in which we live, astounding
progress has been made in recent years through observational and theoretical
studies. Not only have gigantic surveys covering a large fraction of the sky
brought statistics enlightening evolutionary paths of galaxies, but powerful
instruments, such as radio interferometers and ground- and space-based optical/
infrared telescopes, have been able to map individual objects with high
sensitivity and spatial resolution.
Since the time of Newton the basic structure of the solar system and the laws
that govern the motions of the bodies within it have been well understood. One
central body, the Sun, containing most of the mass of the system has a family of
attendant planets in more-or-less circular orbits about it. In their turn some of
the planets have accompanying satellites, including the Earth with its single satellite,
the Moon. With improvements in telescope technology, and more recently
through space research, knowledge of the solar system has grown apace.
In this book we provide a comprehensive introduction into the basic physics of phenomena
in the solar corona. Solar physics has evolved over three distinctly different
phases using progressively more sophisticated observing tools. The first phase
of naked-eye observations that dates back over several thousands of years has been
mainly concerned with observations and reports of solar eclipses and the role of the
Sun in celestial mechanics.
How galaxies � and yet larger structures � are formed remains one of the most interesting, topical and important questions facing astrophysicists and cosmologists today. This fully updated and revised edition of The Road to Galaxy Formation draws on the most recent observation of galaxies in the early universe obtained by the very latest ground- and space-based telescopes.