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February 22, 2018
One year ago, astronomers announced the discovery that seven roughly Earth-sized worlds orbited around the nearby star TRAPPIST-1. Now a year later, additional data have refined our understanding of these planets.We now know more about the TRAPPIST-1 system than any other solar system other than our own.
August 17, 2017
This artist's concept animation shows a brown dwarf with bands of clouds, thought to resemble those seen on Neptune and the other outer planets in the solar system.
May 3, 2017
May 3rd, 2017 marks the 5,000th day of NASA's Spitzer Space Telescope mission. This video gives us a detailed look at six of these days, showing how an automated observatory like Spitzer, which is effectively an astronomy robot, spends its time. It’s overall mission design allows for an unprecedented degree of efficiency, allowing it to study the full range of astronomical phenomena including nearby objects in the solar system, stars in our galaxy, and galaxies out to the edge of the observable universe.
August 26, 2016
NASA's Spitzer Space Telescope, which launched Aug. 25, 2003, will begin an extended mission—the “Beyond” phase—on Oct. 1, 2016.
March 20, 2014
Welcome home! This is our Milky Way galaxy as you’ve never seen it before. Ten years in the making, this is the clearest infrared panorama of our galactic home ever made, courtesy of NASA's Spitzer Space Telescope.
August 23, 2013
On August 25, 2003, NASA launched the Spitzer Space Telescope to reveal secrets of the infrared universe.
August 7, 2012
Astronomers using NASA's Spitzer Space Telescope have detected what they believe is an alien world just two-thirds the size of Earth - one of the smallest on record!
May 21, 2012
Over the last half century this Cygnus X has been yielding its secrets to the scrutiny of infrared observations. NASA’s Spitzer Space Telescope has now provided the best view yet of what we now know is one of the largest single areas of star formation in our Milky Way galaxy.
August 23, 2011
Hiding behind the constellations Sagittarius and Scorpius is the center of our own Milky Way galaxy, over 25,000 light years away. This patch of sky is mostly dark in visible light, shrouded by dust clouds that lie between us and the Galactic center. But the infrared vision of NASA’s Spitzer Space Telescope sees through the dust showing us this strange and tumultuous region.
February 10, 2011
Seen here in visible light, the North America Nebula strangely resembles its namesake continent. Expanding our view to include infrared light, the dark dust lanes and concealed stars glow in red colors while the continental gas clouds shift to an ocean-­‐like blue. Pushing entirely into the infrared spectrum, we see even more detail in the convoluted dust clouds.
December 23, 2010
While astronomers have identified over 500 planets around other stars, they’re all too small and distant to fill even a single pixel in our most powerful telescopes. That’s why science must rely on art to help us imagine these strange new worlds.
October 7, 2010
Today's telescopes study the sky across the electromagnetic spectrum. Each part of the spectrum tells us different things about the Universe, giving us more pieces of the cosmic jigsaw puzzle. The most powerful telescopes on the ground and in space have joined forces over the last decade in a unique observing campaign, known as the Great Observatories Origins Deep Survey, or GOODS, which reaches across the spectrum and deep back into cosmic time.
July 9, 2010
Hidden behind a dark veil of dust in the constellation Sagittarius, a lurking dragon has been revealed by the infrared eye of NASA’s Spitzer Space Telescope. It gives us a glimpse into how spiral arms affect the formation of stars.
June 1, 2010
When worlds collide, the result is spectacular, and astronomers think they’ve detected the aftermath of such an event around another star.
March 19, 2010
In December of 2009, NASA launched its latest infrared telescope, the Wide-field Infrared Survey Explorer. This satellite, also known as WISE, is on a mission to map the entire sky in infrared light.
February 5, 2010
In May of 2009, the European Space Agency successfully launched the Herschel Space Observatory, a new eye for the infrared universe. Its 3.5 meter mirror lets us see into the far infrared spectrum with unprecedented clarity.
November 25, 2009
Astronomers have found One Ring to rule them all, not in the land of Mordor, but around Saturn, the Lord of the Rings of the solar system.
September 3, 2009
The fading light of a flaring young star has shed light on a puzzle involving crystals and comets.
June 18, 2009
Explore the dusty secrets of the Orion Nebula through Spitzer's infrared vision.
April 8, 2009
To commemorate this International Year of Astronomy, three of NASA's flagship observatories have put a new spin on how we see the Pinwheel Galaxy!
February 2, 2009
The Omega Nebula, or M17, is a star-forming region in the constellation of Sagittarius and is about 6,000 light years away.
December 26, 2008
It's a chaotic region, sculpted by the glare of one generation of massive stars that's giving rise to the next.
October 30, 2008
Two and a half billion infrared pixels are exposing our own Galaxy in this new image from NASA's Spitzer Space Telescope!
August 12, 2008
A group of baby stars form a "stellar snowflake" in Spitzer's observations of a dusty region near the Cone Nebula.
June 13, 2008
A supernova flash echoing through surrounding dust clouds has given astronomers a virtual time machine for studying the light from the explosion that nobody saw.
April 15, 2008
Giant jets from baby stars blow colorful bubbles in interstellar space. Spitzer's infrared view reveals these structures in colorful ways never seen before.
April 4, 2008
IRrelevant Astronomy takes a lighthearted, comedic look at the infrared Universe. Enjoy this peek at the Spitzer Space Telescope's newest video podcast series.
February 13, 2008
One of the most striking nearby star-forming regions is the Rho Ophiuchi Cloud. New images from Spitzer reveal its infrared wonders.
December 22, 2007
These two extreme planets have set the records for the hottest and windiest known worlds anywhere.
November 30, 2007
Galaxies take on striking new colors and structures when viewed by the infrared eye of the Spitzer Space Telescope.
October 30, 2007
For Halloween, a trilogy of spooky star-forming regions tell a haunting tale of the lives and deaths of stars.
October 2, 2007
The star Mira has kept a stunning secret that scientists have only just discovered in the glow of ultraviolet light.
September 5, 2007
The eerie Helix nebula, created from the outer layers of a dying star once like our own, reveals secrets to the Spitzer Space Telescope.
July 20, 2007
The beautiful Carina nebula, stretching 200 light years across space, has been shredded by ultraviolet radiation and winds from a behemoth of a star.
June 28, 2007
What makes the Earth livable? In this animated cartoon, innocent alien M51 moves the Earth into a closer orbit around the sun, and learns an important lesson about life in the Universe.
May 30, 2007
The fantastic structures at the center of our Milky Way Galaxy, hidden from us in visible light, are revealed through infrared imagery.
May 14, 2007
In Greek Mythology, the Princess Andromeda was sacrificed to appease a sea monster's appetite. But astronomers are learning that the Andromeda Galaxy is less the spiral beauty and more the voracious beast.
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