The fluctuations in the Cosmic Microwave Background were first measured accurately by COBE in the then more accurately by WMAP in the and Planck (above) in the This image encodes a huge amount of information about the early Universe
Magnificent CME Erupts on the Sun - August 31 On August 2012 a long filament of solar material that had been hovering in the sun's atmosphere, the corona, erupted out into space at p. The coronal mass ejection, or CME, traveled at over
Comet Lovejoy, is framed like a cosmic Christmas tree with starry decorations in this colorful telescopic portrait, snapped on December Its lovely coma is tinted green by diatomic gas fluorescing in sunlight.
Nasa’s Astronomy Picture Of The Day – Nearby Cepheid Variable RS Pup
A visualization of the constant outflow of material from the sun, known as the solar wind. There is no consensus on what powers the solar wind’s acceleration, its extreme variability, or its remarkably high temperatures.