Figure 1: A screen capture of the Chandra webpage, taken just after our 15th anniversary in 2014. Credit: NASA/CXC.
David Kipping from Columbia has an impressive set of videos on exoplanets and related research in his Cool Worlds series.
Katie Frey from Wolbach Library at the Harvard-Smithsonian Center for Astrophysics has curated an extensive set of astronomy videos.
Figure 2: The cover of Coloring the Universe, showing an optical image from the NSF’s Mayall 4-meter telescope at Kitt Peak National Observatory of IC 1396A, a dark nebula more commonly known as the Elephant Trunk Nebula. Credit: T.A. Rector (University of Alaska Anchorage) and H. Schweiker (WIYN and NOAO/AURA/NSF).
Here’s a brief explanation from Caltech about “How can I become an astronomer?”. Note there is a problem with the link to the AAS career brochure at the end. This is the correct link (https://aas.org/files/resources/Careers-in-Astronomy.pdf).