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Grades 9-12 (Ages 14-17)

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Resources

The universe seems to be pervaded with a previously unknown, and still unexplain

Dark Energy May 21, 2010

In galaxy cluster CL0024+1654, each yellow dot is a galaxy.

Dark Matter May 21, 2010

Cosmology

The Whole Universe May 21, 2010

Radio Programs

To the Future! Traveling into the future February 18, 2016

Back in Time You just can’t go back February 17, 2016

R Sculptoris Stirring up a stellar bubble December 11, 2015

Catching Neutrinos Tiny particles that change flavors January 27, 2015

Cold Dark Matter Getting cold to catch dark matter January 26, 2015

Soudan Laboratory Digging deep for dark matter January 25, 2015

Moon and Aldebaran Making carbon and oxygen in a star November 6, 2014

WIMP-y Glow Bright evidence of dark matter July 29, 2014

Making Nitrogen Breathing the “ash” of dead stars February 16, 2014

Z Machine II The power source of the stars February 3, 2014

Z Machine Firing the world’s biggest X-ray machine February 2, 2014

Dark Detections Looking for particles that don’t wimp out August 6, 2013

Dark Experiments Looking for the unseeable August 5, 2013

Dark Universe Adding up the universe August 4, 2013

Unifying the Universe A theory of everything June 27, 2013

The Standard Model A theory of almost everything June 26, 2013

Anti-Discovery The possible signature of dark matter June 25, 2013

New Solar Telescopes New eyes on our neighborhood star June 3, 2013

Solar Telescopes Taking a close look at the Sun June 2, 2013

Muons II Probing the past with particles from space April 29, 2013

Muons Zapped by a supernova April 28, 2013

Dark Energy Camera Some impressive astronomical snapshots March 13, 2013

Gravitational Kick A black hole gets a big kick October 23, 2012

Wobbly Clocks Listening for cosmic “ripples” May 10, 2012

Relativity and GPS Keeping track of the entire world May 7, 2012

General Relativity Albert Einstein “warps” the universe May 6, 2012

Centaurus A A galaxy with a loud voice April 28, 2012

Star in a Bottle Making a bottleful of starstuff April 12, 2012

Cosmic Clocks The ticking of cosmic clocks April 11, 2012

Little Dwarfs The smallest white-dwarf stars April 9, 2012

Winter Milky Way II Enlivening the galactic suburbs February 15, 2012

Moon and Antares Outshined by a flashy sibling February 13, 2012

Geminga Giving birth to a “dead” star February 11, 2012

Record Breaker An unprecedented sphere of darkness February 5, 2012

White Dwarfs III Dead planets around dead stars? February 2, 2012

White Dwarfs II Stretching the light of a dead star February 1, 2012

White Dwarfs Squeezing the heart of a dead star January 31, 2012

The Little Dog One dog leads another into the sky January 27, 2012

Gravitational Waves V The “wavy” birth of a black hole January 26, 2012

Gravitational Waves IV Silencing the rumbling Earth January 25, 2012

Gravitational Waves III Lighting up ripples in spacetime January 24, 2012

Gravitational Waves II Tiny ripples from heavy objects January 23, 2012

Gravitational Waves Rippling across the universe January 22, 2012

Stormy Skies A giant storm on a failed star January 10, 2012

Pulsars The steady beat of dead stars January 6, 2012

Cosmic Nobel Discovering a mysterious cosmic energy December 10, 2011

Dark Discovery Big rewards for a “dark” discovery December 9, 2011

Interstellar Skies Looking for clear interstellar skies November 14, 2011

Near the Edge Nearing the edge of the solar system November 13, 2011

Saturn Nebula A pair of “Saturns” in the night sky November 12, 2011

Changing Time Just passing the time October 17, 2011

Milky Way’s Heart IV The flashy heart of the Milky Way September 28, 2011

Milky Way’s Heart III Confirming the dark heart of the Milky Way September 27, 2011

Too Close Getting too close to a black hole September 19, 2011

Stellar Chemistry Forging the chemistry of life September 12, 2011

Scorpius Nova A bright stellar merger August 28, 2011

V404 Cygni A dark star system that puts on a show August 13, 2011

Apollo 15, Part II Putting Galileo to the test July 30, 2011

Apollo 15 Checking out a beautiful landscape July 29, 2011

Hardy Bacteria Grinding up rocks to hunt for life July 28, 2011

Rock Varnish Polishing some Martian rocks July 26, 2011

Moon and Mars Looking for Mars-on-Earth July 25, 2011

Moon and Aldebaran Following the eye of the bull July 24, 2011

Star Travels A fanciful design for a starship July 23, 2011

More Moon and Jupiter Heating up a volcanic moon July 22, 2011

Moon and Jupiter Water in some orange dirt July 21, 2011

IceCube Lighting up the Antarctic ice July 20, 2011

Neutrinos Hunting for hard-to-find particles July 19, 2011

Listening Posts From neutrinos to sperm whales July 18, 2011

Evening Mercury A hot planet in the evening sky July 17, 2011

Smith's Cloud A future stellar nursery July 16, 2011

Van Biesbroeck's Star Hunting up a faint cosmic bulb July 15, 2011

Dawn at Vesta III An asteroid with a difference July 14, 2011

Dawn at Vesta II A gentle ride to an asteroid July 13, 2011

Moon and Antares Giving birth to a big family of stars July 10, 2011

Delta Lyrae Lining up a colorful duo July 9, 2011

John A. Wheeler A new name for invisible stars July 8, 2011

Moon and Spica A tiny measurement of a big distance July 7, 2011

More Saturn's Rings Filling a gap in Saturn's rings... July 5, 2011

Dynamic Rings Saturn's constantly changing rings... July 4, 2011

Moon and Regulus Filtering out the starlight July 3, 2011

More Moon and Mercury Looking into the heart of a planet July 2, 2011

Moon and Mercury Getting to know a hard-to-see planet July 1, 2011

Great Comet of 1861 A "fearful" cometary spectacle... June 29, 2011

Brightest X-Ray Burst The brilliant death of a distant star June 19, 2011

Celestial Equator An astronomical "Mason-Dixon Line"... June 18, 2011

Cosmic Inflation Giving the universe a big push June 14, 2011

Luis Alvarez Subatomic particles and dead dinosaurs June 12, 2011

New Dwarfs New neighbors in the outer solar system June 10, 2011

Transit of 1761, Part IV A ring of fire around a planet June 8, 2011

Transit of 1761, Part III Ducking cannonfire in the name of science June 7, 2011

Transit of 1761, Part II Dodging cannonfire in the name of science June 6, 2011

Transit of 1761 Spreading out to watch a little black dot June 5, 2011

Gliese 179 An unexpectedly big planet May 25, 2011

Red Dwarf Planets Looking for close planets around close stars May 23, 2011

Red Dwarfs Shining some light on feeble stars May 22, 2011

Algieba The lion's double forehead... May 20, 2011

Castor The twins and triplets of Gemini May 15, 2011

Pollux Forging the element of life May 14, 2011

Gamma Virginis A beautiful celestial double May 11, 2011

Clean Mirrors Keeping a clear view of the heavens May 10, 2011

Cor Caroli The strong heart of a king May 5, 2011

Alphecca Overpowering a bright star April 27, 2011

AMS-2 Looking for antimatter April 18, 2011

Underground Astronomy IV Searching for dark matter in a dark location March 3, 2011

Underground Astronomy II Blocking out interference March 1, 2011

Featured Images

Simulation of the early universe

Tangled Web May 10, 2014

Technicians replace equipment for HETDEX at McDonald Observatory

On (and Off) Track November 4, 2013

Hubble image of a galaxy cluster and the deduced location of its dark matter

Dark Universe August 5, 2013

The Standard Model

Building Blocks June 27, 2013

Pyramid of the Old Kingdom pharaoh Khafre and the Sphinx

Inside Job April 30, 2013

Artist's concept of the Milky Way galaxy and its dark matter halo

Illuminating the Darkness February 9, 2013

Without Einstein's theories of relativity, GPS wouldn't work

Where Am I? May 8, 2012

Hubble Space Telescope view of Cat's Eye Nebula, a planetary nebula

Blowing Bubbles March 13, 2012

Newborn stars in the Orion Nebula

Bright Babies March 1, 2012

Orion, the hunter, including his faint shield

Shielding the Hunter February 17, 2012

The Carina Nebula, a massive stellar nursery

Star Factory February 13, 2012

New Heavyweight Champion February 6, 2012

Infrared view of the spiral galaxy IC 342

Tangled Galaxy January 22, 2012

Artist's concept of a dark storm on the brown dwarf 2MASS 2139

Stormy Skies January 11, 2012

The Saturn Nebula, NGC 7009, as seen by Hubble Space Telescope

Saturn Simulacrum November 13, 2011

Radio image of the Antenna galaxies

Boundless Starbirth October 5, 2011

Stars and gas swirl around the black hole at the center of the Milky Way

Swirling Center September 27, 2011

Messenger view of the surface of Mercury, June 2011

Hello, Sunshine July 2, 2011

Illustration showing the Great Comet of 1861

Great Comet June 30, 2011

The path of asteroid 2011 MD as it passes Earth, June 2011

Close Call June 25, 2011

Phobos, one of the moons of Mars, passes by the planet Jupiter.

Out of Order June 20, 2011

NGC 3758, a system of two merging galaxies

Double Trouble June 11, 2011

X-ray view of the Carina Nebula, a stellar nursery 7,500 light-years from Earth

Star Factory May 26, 2011

M8, the Lagoon Nebula, is a vast stellar nurseary

Stellar Canvas May 6, 2011

Hobby-Eberly Telescope at McDonald Observatory

Searching the Darkness October 15, 2010

Cosmic Bullets July 20, 2010