Get e-book An Introduction to Stars 4: The Milky Way and its Star Factories

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You can read an interview with Grinspoon and watch video clips of him discussing the book with Space. It has been the top-selling stargazing guide for over 20 years.

Now in its revised fourth edition, the book contains everything you need to know about what's up in the sky through the year The bookre chapter is dedicated to stargazing technology, like binoculars and telescopes. An entiked with information that even the most experienced stargazers will find comes in handy. At that time, astronomers relied on grounded telescopes to record nightly observations of the stars. Women computers at the Harvard College Ovesrvatory were then tasked with interpreting those observations, captured on photographic glass plates.

Author Dava Sobel follows the stories of several women, which she collected from old diaries, letters and published observatory log books. For any space fan looking to learn crazy, fun facts about the universe, "Facts From Space! Dean Regas, an astronomer and public outreach educator for the Cincinnati Observatory, has gathered together all the cool, quirky and mind-blowing facts you probably never knew you'd want to know about the universe. Regas chronicles everything from the sometimes silly adventures of space travelers in Earth's orbit and on the moon to black holes, galaxies and nebulas far away in deep space, listing all the best facts about the universe in a way that is fun and easy to read.

Readers of all ages can understand and appreciate the contents of this book. No attention span is necessary to enjoy it — flip to any page and you'll find a handful of short facts and cartoons that make learning about space a simple and entertaining experience. Space and time are weird.

How do scientists find new planets?

All very straightforward, and good for scientific investigation. But the problem is, there are hints that nature doesn't actually work that way. This new book by science writer George Musser delves into the different ways that scientists are grappling with this concept of "nonlocality" — what Albert Einstein famously called "spooky action at a distance" in the quantum mechanics world.

Particles that are entangled affect each other instantaneously even when separated; paradoxical black holes can be explained if the stuff sucked in exists inside their gravitational pull and on the surface at the same time. Musser explores the history of humans grappling with nonlocality and what these strange effects are teaching quantum mechanics researchers, astronomers, cosmologists and more about how the universe works — and while doing so, showing the messy, nonlinear and fascinating way researchers push forward to understand the physical world.

Scientists left baffled by mystery objects looming near Milky Way’s supermassive black hole

Theoretical astrophysicist Kip Thorne has spent his career exploring topics that once seemed relegated to science fiction, such as whether time travel is possible, and how humans could potentially travel from galaxy to galaxy via wormholes. In "Black Holes and Time Warps," Thorne provides an introduction to these and other mind-bending topics, at a level appropriate for nonscientists.

The book is not a light read — it goes deeper into the science than many pop physics books — but Thorne is the perfect person to take readers on this journey: He's a patient and entertaining teacher, and he never loses the thread of the story. On top of the science lessons, Thorne introduces a cast of characters who pushed these fields forward, and chronicles the fight by American and Russian physicists to continue scientific collaboration during the Cold War.

Twenty years after its publication, Thorne talked with Space. While some of it may seem dated, the book still stands up as one of the best popular science books ever written, and the language is just beautiful. Sagan was one of the 20th century's greatest ambassadors and popularizers of science, and he doesn't disappoint in "The Demon-Haunted World.

There's a lot of debunking in "The Demon-Haunted World" — of alien encounters, channeling and other paranormal experiences — and Sagan even provides readers a "baloney detection kit" to help them navigate a confusing and chaotic world. Like other Sagan works, this one is a fun and engaging read, but a great deal of ambition lurks beneath the fluid prose, as this quote from the book reveals: "If we can't think for ourselves, if we're unwilling to question authority, then we're just putty in the hands of those in power.

But if the citizens are educated and form their own opinions, then those in power work for us. In every country, we should be teaching our children the scientific method and the reasons for a Bill of Rights.

With it comes a certain decency, humility and community spirit. In the demon-haunted world that we inhabit by virtue of being human, this may be all that stands between us and the enveloping darkness. A black hole is what's left behind when a particularly large star dies. The name comes from the fact that these celestial objects have such immense gravitational fields that, within a certain boundary, known as the event horizon, nothing - not even light - can escape their pull. They occur when the energy of a massive star is exhausted leaving no forces to counterbalance gravity, causing them to collapse until, theoretically, the object is so infinitely dense it has no volume.

Theoretical because, despite being predicted to exist as far back as by Einstein, there is still no firm proof that they actually exist. However, the scientific consensus is that they do, and since there have been many observations of the indirect evidence of their existence.

Space is not a perfect vacuum.

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Apart from the dust, debris and larger objects floating about there is also solar wind. This is a stream of plasma or charged particles given off by the outer regions of a star, consisting mainly of free electrons and protons. These streams cause aurorae, for example the northern lights, and illuminate the tails, or comas, of comets.

Solar wind has even been known to knock out power grids on Earth. Stars Stars are huge luminous balls of hot gas that act like the chemical factories of the universe. Helpful Links Organization and Staff.

What We Study

Astrophysics Fleet Mission Chart. Spacecraft Paper Models.

Universe Size Comparison 3D

Infrared Galaxy Poster. More about Galaxies. Recommended Articles. The Origin of Life Puzzle. August 15, October 18, Two Sides of the Same Star. May 30, Stellar Family Portrait in X-rays.