Space Telescope
Two kinds of Webb telescope mirrors arrive at NASA Goddard
Primary and Secondary Mirror Engineering Design Units (EDUs) have recently arrived at NASA's Goddard Space Flight Center in Greenbelt, Md. from Northrop…
NASA Telescopes Join Forces to Observe Unprecedented Explosion
More than a week later, high-energy radiation continues to brighten and fade from its location.Astronomers say they have never seen such a bright, variable,…
Webb Sunshield Like an Umbrella on the Shores of the Universe
Like a beach umbrella protects people from the sun's heat and ultraviolet radiation, the sunshield protects the telescope and the sensitive infrared…
NASA's Hubble Rules Out One Alternative to Dark Energy
The universe appears to be expanding at an increasing rate. Some believe that is because the universe is filled with a dark energy that works in the opposite…
Hubble Shows New Image of Spiral Galaxy NGC 2841
A bright cusp of starlight marks the galaxy's center. Spiraling outward are dust lanes that are silhouetted against the population of whitish middle-aged…
NASA's Hubble Finds Most Distant Galaxy Candidate Ever Seen in Universe
The tiny, dim object, called UDFj-39546284, is a compact galaxy of blue stars that existed 480 million years after the Big Bang. More than 100 such…