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Space Black

Why does outer space appear black when you'd actually be closer to the sun once you left Earth's atmosphere?

The Earth's atmosphere appears bluish on sunny days and black at night. Okay, the sun is below the horizon at night, but that doesn't explain why it's black when astronauts are in outer space...

That's because there's nothing to reflect the Sun's light.

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Black Space (Paperback) $49.9 Science fiction film offers its viewers many pleasures, not least of which is the possibility of imagining other worlds in which very different forms of society exist. Not surprisingly, however, these alternative worlds often become spaces in which filmmakers and film audiences can explore issues of concern in our own society. Through an analysis of over thirty canonic science fiction (SF) films, including Logan`s Run, Star Wars, Blade Runner, Back to the Future, Gattaca, and Minority Report, Black Space offers a thorough-going investigation of how SF film since the 1950s has dealt with the issue of race and specifically with the representation of blackness. Setting his study against the backdrop of America`s ongoing racial struggles and complex socioeconomic histories, Adilifu Nama pursues a number of themes in Black Space. They include the structured absence/token presence of blacks in SF film; racial contamination and racial paranoia; the traumatized black body as the ultimate signifier of difference, alienness, and "otherness"; the use of class and economic issues to subsume race as an issue; the racially subversive pleasures and allegories encoded in some mainstream SF films; and the ways in which independent and extra-filmic productions are subverting the SF genre of Hollywood filmmaking. The first book-length study of African American representation in science fiction film, Black Space demonstrates that SF cinema has become an important field of racial analysis, a site where definitions of race can be contested and post-civil rights race relations (re)imagined.

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Mysteries of Deep Space: Black Holes

Infinite Time And Space Within A Finite Universe

There is a big debate in the scientific community about the nature of the universe. Is it infinite or finite? The side that says the universe is finite believes it's only as big as the speed of light multiplied by the amount of time since the Big Bang from the origin, which suggests that it's a perfect sphere. The other side says that the universe extends forever in every direction.

If we look out into the universe and think of Einstein's theories, we see black holes sucking things in and bending space and time until it's vertical at their singularities. The point where it's verticle also extends downward infinitely. Smashing them horizontally would show us that the amount of time and space they contain is infinite because it's bent vertically.

We also see black holes sucking up other black holes, and theoretically smaller black holes can exist within larger ones as long as the relative event horizons are the same limits. Nothing will ever actually reach the center of any singularity because of time dilation, and each black hole contains infinite time and space.

Essentually black holes are a little bit like onions with infinite layers that represent bands of bent time and space. Each layer is isolated from the others; they're kind of like independent universes even though they exist inside something bigger. People inside would not be aware of this because they are not able to see anything on the outside or the inside; they can only see their layer.

We already know from Einstein's work that time decreases as you get closer to a massive object or the speed of light, length decreases and energy and mass increase. This means that you might not even know that you are inside one of the layers of a black hole, and making a black hole is kind of like making a new universe relative to the things inside it. In addition, the relative energy and mass of objects increase as they fall into a black hole. So we would be creating infinite energy and mass from a relative point of view.

Therefore, the finite universe is the limit of what we can see in our band or layer in the black hole. The infinite universe is what we know that exists beyond what we can see from the inside-out by looking at smaller universes from the outside-in.

Another interesting idea is to put two black holes side-by-side to make the net gravitation field between them weaker. This could allow us to extract things that fell inside the event horizon and potentially sap the energy / mass out of a black hole and eliminate it.

About the Author

Email: daniel.nase@gmail.com

Tags: astronomy, nasa, physics, science, space, space black, space black hole pictures, space black holes, space black knight, space black zodiaq, space blanket