News tagged with telescope

Related topics:

Distance measurement of a microlensing event

The distance to celestial objects is key to calculating their intrinsic properties like mass and luminosity. Distance, unfortunately, is also one of the most difficult parameters to measure. The most direct ...

dateApr 06, 2015 in Astronomy
shares67 comments 0

Virtual telescope expands to see black holes

Astronomers building an Earth-size virtual telescope capable of photographing the event horizon of the black hole at the center of our Milky Way have extended their instrument to the bottom of the Earth—the ...

dateApr 21, 2015 in Astronomy
shares58 comments 5

Image: Claude Nicollier repairing Hubble

This week marks the 25th anniversary of the launch of the Hubble space telescope. Hubble was designed to be maintained and repaired by astronauts and since its launch in 1990 five Space Shuttle missions made ...

dateApr 21, 2015 in Space Exploration
shares26 comments 0