Measuring the Universe
Philosophy

Measuring the Universe


If you read/watched our recent entry on the majesty, beauty and scientific importance behind the Transit of Venus, you may have come to realize that scientists are a clever bunch: give them two or three things, and they'll give you a whole world full of goodies. How's that for a return on your investment? Suck it, Wall Street!

Right, so the scientific importance behind the transit has to do with the question of how we manage to measure things in space (like the distance between the Earth and Sun), but have you wondered exactly how it is that scientists manage to measure even greater distances, like how far away other galaxies are, or even how old the universe is? Well, wonder no more because here's a quick little introduction to the general idea:


And if you want the more serious treatment about how scientists have figured out the age of the universe, you might want to check out In Our Time, with Melvyn Bragg.




- Death Warrant For The Hubble Telescope
"Hubble has 3 more years to make amazing discoveries, NASA says" by Karen Kaplan March 23rd, 2013 Los Angeles Times Scientists and space junkies got some good news from NASA on Friday: The space agency announced it would keep the Hubble Space Telescope...

- New Book By David A. Weintraub..."how Old Is The Universe?"
How Old Is the Universe? by David A. Weintraub [David A. Weintraub is professor of astronomy at Vanderbilt University. He is the author of Is Pluto a Planet?: A Historical Journey through the Solar System.] ISBN-10: 0691147310 ISBN-13: 978-0691147314...

- Iau Made A Change To The "astronomical Unit"...now 149,597,870,700 Meters
"Basic solar system measure redefined" September 17th, 2012 SPACEDAILY Astronomers meeting in Beijing say they've agreed on a new definition of the fundamental unit of distance between objects in the solar system. The "astronomical unit," defined...

- Orrery Planetarium
Specialized...transit of Venus. The phrase 'transit of Venus' refers to the passage of the planet Venus across the face of the sun, as seen from Earth. Such transits occur in pairs eight years apart, with an interval of over 100 years between...

- Non-universal Laws Of Physics
I have advocated this for years. We do not know with certainty that the physics we observe and use are truly universal...and may never know. "Laws of physics 'are different' depending on where you are in the universe" Laws we know may be 'like...



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