Blazars are active galaxies that emit narrow jets of ionized matter from their centers, aimed towards Earth. Depending on ...
This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...
How Nasa’s newest space telescope will map the galaxies like never before - The $488m telescope will survey hundreds of ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results