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The science dealing with objects and phenomena located beyond Earth. In particular, this applies to observations and data. At its core, astronomy is the physically informed cataloging and classifying of the contents of the universe in order to better understand what is out there.

3 votes
2 answers
78 views

How deep can a 'deep field' image be?

Hubble's famous deep field image was created by pointing the telescope at the same spot for 10 days continously. This aggregates photons and creates a coherent image - If I understand what's going on …
vineeth venugopal's user avatar
1 vote
1 answer
70 views

Continuous $4\pi$ steradian monitoring of space

What would it take to constantly survey space at a selection of frequencies? I'm imagining a set of satellites pointing away from the Earth and scanning all sectors of space. Can anyone point me to so …
vineeth venugopal's user avatar