Articles related to "Astronomers"
Ptolemy Astronomer Geographer
Ptolemy was an ancient Greek scholar who originated the Ptolemaic system in astronomy and made important contributions to geography and optics.
• ptolemy
• claudius ptolemaeus
• ptolemaic astronomy
• ptolemy's geography
• latitude longitude
Whitman's Learn'd Astronomer
Walt Whitman's sprawling eight-line poem showcases the poet's freewheeling style while dramatizing the wildly romantic world view portrayed in almost all of his poems.
• walt whitman
• when i heard the learn’d astronomer
• thought vs feeling
• romantic
• contrasts
Biological and Stellar Evolution
Astronomers and biologists both frequently use the term evolution, but don't mean exactly the same thing.
• stellar evolution
• biological evolution
• theory of evolution
• evolution
• astronomers
Edwin Hubble - Astronomer with a Bang
Edwin Hubble began the field of cosmology when he proved that the universe is made up of many galaxies. He went on to become famous.
• hubble telescope
• hubble law
• big bang
• astronomer
• cosmology
Riccardo Giacconi - The Executive Astronomer
The 2003 co-recipient of the Nobel Prize for Physics was Riccardo Giacconi, current president of the Associated Universities Incorporated, and an internationally reknown astronomer credited with locating the first cosmic source of X-rays.
• giacconi
• stsci
• uhuru
• hubble
• skylab
Water on Extrasolar Planets
In early April 2007 astronomers announced the discovery of water on a planet orbiting the star, HD 209458. How is it possible to detect water on an extrasolar planet?
• spectroscopy
• extrasolar planet
• astronomical
• infrared
• hd 209458b
The Hubbub About Hubble
What's the buzz about Hubble, our deep-space telescope? Learn everything from its major parts to its most valuable discoveries.
• hubble
• telescope
• deep
• space
• nasa
Edwin Hubble, Scientist
Brief bio and discoveries of Edwin Hubble, who discovered more galaxies and that the universe expands; also known for Hubble's Law.
• edwin hubble
• edwin hubble scientist
• edwin hubble brief bio
• edwin hubble galaxies
• hubble's law
Isaac Newton, Scientist
Brief biography of Sir Isaac Newton, considered the greatest scientist of all time, famous for "Principia," discovery of gravity, laws of motion, mathematics of calculus.
• isaac newton
• isaac newton biography
• newton scientist mathematician astronomer
• newton physicist
• principia mathematica
Tycho Brahe's Bio and Theory
Brief biography of Tycho Brahe, Danish astronomer, who advanced the Copernican Theory but believed that the Earth was still the centre of the universe.
• tycho brahe
• biography of tycho brahe
• tycho brahe and his theory
• danish astronomer of 16th century
• tycho and copernicus
Black Holes Space/Time Distortion
Like sharks in the ocean millions of Black Holes wander the universe. And like those creatures the universe needs these galactic wanders to maintain stability.
• black hole
• event horizon
• stellar mass
• photon sphere
• super nova
Invisible Astronomy
In addition to visible light, astronomers use ultraviolet, infrared, radio waves, X-rays and gamma rays to study planets, stars, galaxies, and other celestial objects.
• radio astronomy
• electromagnetic spectrum
• electromagnetic waves
• infrared telescopes
• ultraviolet telescope
What is Radio Astronomy?
In addition to visible light, astronomers study radio waves from the Sun, planets, stars, galaxies, and other celestial objects.
• radio astronomy
• electromagnetic waves
• telescopes
• reflector telescope
• karl jansky
Antony Hewish - Pulsars and the Phased-Array Antenna
Antony Hewish has always been at the center of radio astronomy. He built the phased array attenna that helped find the first pulsar. For his work, he shared the Nobel Prize for Physics in 1974
• hewish
• jocelyn bell
• radio astronomy
• phased array attenna
• pulsar
Carl Friedrich Gauss
Brief biography of Carl Friedrich Gauss, one of the greatest and most influential mathematicians in history. He made advances in number theory.
• carl friedrich gauss
• gauss biography
• gauss german mathematician
• gauss physicist
• gauss number theory of series
Hole in the Universe
A tremendous blank spot free of galaxies, stars, dark matter or black holes has been discovered in the distant reaches of space.
• hole in the universe
• in the constellation eridanus
• located 6 to 10 billion light-years away
• university of minnesota
• astronomer lawrence rudnick
Out of This World
This article reviews eight great book titles for kids who love space exploration and learning about astronomy and science.
• out of this world
• space
• science
• astronomy
• great books for kids
Titan
Titan, one of Saturn's moons, has been in the news recently. Man landed a probe on its surface!
• titan
• science
• web sites
• saturn
• moon
Christiaan Huygens
Biography of Dutch mathematician, physicist, and astronomer Christiaan Huygens, scientist of the late 17th century, famed for invention of the pendulum clock, and more.
• christiaan huygens
• pendulum clock
• wave theory of light
• saturn moon titan
• horologium
Johannes Kepler Biography
Life and work of German astronomer Johannes Kepler, famous for his three laws of planetary motion. A former assistant of Tycho Brahe, he advanced the Copernican Theory.
• johannes kepler
• johannes kepler biography
• kepler's laws of planetary motion
• life and work of kepler
• kepler defender of copernican theory
Nicolaus Copernicus brief bio
Brief biography of Polish scientist Nicolaus Copernicus, proponent of the sun-centered solar system.
• nicolaus copernicus
• copernicus brief bio
• copernican revolution
• copernicus sun-centered solar system
• copernicus scientist
The Planet Neptune Discovered without a Telescope
Neptune was discovered without the use of a telescope. Read on to find out who did it and how they did it!
• mathematics awareness month
• mathematics and the cosmos
• mathematics
• universe
• earth
BLACK INVENTORS
In honor of the Black History Event, I would like to introduce you to some little recognized Black Inventors.
• black history month
• black
• history
• mary
• alward
December Holidays in Space
December holidays have been celebrated in space since 1968. Let's take a look at the celebrations high above the earth's atmosphere and catch some very cool videos, too!
• december holidays in space
• christina coruth
• kids' korner
• kids'corner
• suite101.com