Space

"We have the habit, as humans, of only thinking that what we see is real", began Neil Tyson.  Our job as astronomers is to 'turn something invisible and make it real'.  His premise: space…

Astronauts blazed through their third of five spacewalks Saturday as they continued servicing the Hubble Space Telescope, installing the new Cosmic Origins Spectrograph (COS) and repairing the main…

8 classrooms in 5 hours. 30 minutes per class. Grade levels ranging from kindergarten to 6th grade. Unscripted, 1 index card of talking points. When I compare 'Career Day' at my kids' elementary…

The Whole Earth Telescope (WET), a worldwide network of observatories coordinated by the University of Delaware, is synchronizing its lenses to provide round-the-clock coverage of a cooling star. As…

Astronauts John Grunsfeld and Drew Feustel successfully installed the Wide Field Camera 3 (WFC3) Thursday during the first of five scheduled EVAs, or spacewalks, to rejuvenate the Hubble Space…

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They did a great job describing the Hubble Ultra Deep Field, but an awful job showing a picture of it.  "They" will remain nameless, as they otherwise put together a really great exhibit of…

Monday afternoon the space shuttle Atlantis blasted off into the Florida sky carrying with it the hopes and dreams of astronomers like me and people around the world.  Seven NASA astronauts have…

The recent Star Trek movie raised a new set of conundrums about time travel and alternative realities. As an astrophysicist, I am clearly most able to tackle these issues. Basically, time travel…

Astronomy and green space? Yes, indeed. As an astrophysicist I always find great pleasure in pointing out that the Earth is a planet, just like all the rest of the bunch orbiting our Sun and thus an…