Spitzer Space Telescope
Distant Star Goes Disco
A disco inferno in space? Astronomers have been keeping an eye on an unusual star that unleashes a burst of…
Combining Light to Reveal Monster Black Holes
NGC 3627 glows in the combined light of Hubble, Chandra, Spitzer and the Very Large Telescope in this image. Astronomers…
Now Even Further: Ancient Galaxy is Latest Candidate for Most Distant
It seems that every few months or so comes a new discovery of a new “most distant galaxy ever found.”…
Eye-Like Helix Nebula Turns Blue in New Image
A combined image of the Helix Nebula from the Spitzer Space Telescope,the Galaxy Evolution Explorer (GALEX) and the Wide-field Infrared…
Spitzer Provides Most Precise Measurement Yet of the Universe’s Expansion
This graph illustrates the Cepheid period-luminosity relationship, which scientists use to calculate the size, age and expansion rate of the…
Blowing a Super-duper Celestial Bubble
Image credit: X-ray: NASA/CXC/U.Mich./S.Oey, IR: NASA/JPL, Optical: ESO/WFI/2.2-m. Zoom by John Williams/TerraZoom using Zoomify When NASA combines images from different…
Early Galaxy Found from the Cosmic ‘Dark Ages’
In the big image at left, the many galaxies of a massive cluster called MACS J1149+2223 dominate the scene. Gravitational…
Nearby Magma Exoplanet is Smaller Than Earth
Caption: This artist's concept shows what astronomers believe is an alien world just two-thirds the size of Earth. Image credit:…
Early Black Holes were Grazers Rather than Glutonous Eaters
Black holes powering distant quasars in the early Universe grazed on patches of gas or passing galaxies rather than glutting…
Light From a ‘SuperEarth’ Detected for the First Time
[/caption] The star 55 Cancri has been a source of joy and firsts for planet hunters. Not only was it…