Hubble

Category archives for Hubble

“In other words, theory attempts to segregate the minimum number of possible worlds which must include the actual world we inhabit. Then the observer, with new factual information, attempts to reduce the list further. And so it goes, observation and theory advancing together toward the common goal of science, knowledge of the structure and observation…

“That’s all regular matter, just five percent. A quarter is “dark matter,” which is invisible and detectable only by gravitational pull, and a whopping 70 percent of the universe is made up of “dark energy,” described as a cosmic antigravity, as yet totally unknowable. It’s basically all mystery out there – all of it, with…

“Every single time you make a merger, somebody is losing his identity. And saying something different is just rubbish.” -Carlos Ghosn A galaxy cluster is the largest individual bound structure in the Universe, containing anywhere from dozens to thousands of times the mass of our Milky Way. Yet as the cosmic web grows and evolves,…

“The night has a thousand eyes, and the day but one; Yet the light of the bright world dies with the dying sun.” -Francis William Bourdillon When we look for the brightest, bluest, most massive individual stars, we’re restricted to looking nearby, since it’s impossible to resolve individual stars at distances that extend much beyond…

“Our spectroscopic observations reveal the galaxy to be even farther away than we had originally thought, right at the distance limit of what Hubble can observe.” -Gabriel Bremmer One of the holy grails of cosmology is to measure, directly, exactly when the first stars and galaxies formed in our Universe. The Hubble Space Telescope has…

“The wonder is, not that the field of stars of so vast, but that man has measured it.” -Anatole France If you could gather 250 million times as much light as your eye, and improve your resolution by several orders of magnitude, you just might be able to see what the Hubble Space Telescope can.…

“So numerous are the objects which meet our view in the heavens, that we cannot imagine a point of space where some light would not strike the eye;—innumerable stars, thousands of double and multiple systems, clusters in one blaze with their tens of thousands of stars, and the nebulae amazing us by the strangeness of…

“Gamow was fantastic in his ideas. He was right, he was wrong. More often wrong than right. Always interesting; … and when his idea was not wrong it was not only right, it was new.” -Edward Teller Considering what we know about our Universe today, it’s hard to believe that just a century ago, Einstein’s…

Happy birthday, Edwin Hubble (Synopsis)

“Equipped with his five senses, man explores the universe around him and calls the adventure Science.” -Edwin Hubble Back in the 1920s, Einstein’s general relativity had just come out and gained acceptance, and a debate was raging over whether the spirals in the sky were within our own galaxy, or were entire galaxies unto themselves.…

“Gravitational and electromagnetic interactions are long-range interactions, meaning they act on objects no matter how far they are separated from each other.” -Francois Englert Want a recipe for seeing as far into the distant Universe as you can? Because of how distance and brightness are inversely related, you need to make the most of every…