Save
Email
Print
Share
RSS
Space observatory
A space observatory is any
instrument in outer space
which is used for
observation of distant
planets, galaxies, and other
outer space objects. A large
number of observatories have
been launched into orbit,
... > full story
Active optics
Active optics is a
relatively new technology
for reflecting telescopes
developed in the 1980s,
which has more recently
enabled the construction of
a generation of telescopes
with 8 metre primary
... > full story
European Southern Observatory
The European Southern
Observatory (ESO, also more
formally the European
Organisation for
Astronomical Research in the
Southern Hemisphere) is an
intergovernmental research
... > full story
Telescope
A telescope is an instrument
designed for the observation
of remote objects. The term
usually refers to optical
telescopes, but there are
telescopes for most of the
spectrum of electromagnetic
radiation and for other
... > full story
Browse Reference Articles
1 to 10 of 189 articles
-
Compton Gamma Ray Observatory
The Compton Gamma Ray Observatory (CGRO) was the second of the NASA "Great Observatories" to be launched to space, following the Hubble Space Telescope. The observatory was launched on the Space ... > more -
Green Bank Telescope
The Robert C. Byrd Green Bank Telescope (GBT) is the world's largest fully mobile radio telescope. It is part of the National Radio Astronomy Observatory (NRAO) at Green Bank, West Virginia ... > more -
Radio telescope
A radio telescope is a form of radio receiver used in astronomy. In contrast to an "ordinary" telescope, which receives visible light, a radio telescope "sees" radio waves emitted by radio sources, ... > more -
Astrophysics
Astrophysics is the branch of astronomy that deals with the physics of the universe, including the physical properties (luminosity, density, temperature and chemical composition) of astronomical ... > more -
Chandra X-ray Observatory
Chandra X-ray Observatory is a satellite launched on STS-93 by NASA on July 23, 1999. It was named in honor of Indian-American physicist Subrahmanyan Chandrasekhar who is known for determining the ... > more -
Barred spiral galaxy
A barred spiral galaxy is a spiral galaxy with a band of bright stars emerging from the center and running across the middle of the ... > more -
Orion Nebula
The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a glowing emission nebula with a greenish hue and is situated below Orion's Belt. It is one of the brightest nebulae visible to the ... > more -
Hubble Deep Field
The Hubble Deep Field (HDF) is an image of a small region of the sky, based on the results of a series of observations by the Hubble Space Telescope. The field is so small that only a few foreground ... > more -
Spitzer Space Telescope
Spitzer Space Telescope (formerly the Space Infrared Telescope Facility [SIRTF]) is an infrared space observatory, the fourth and final of NASA's Great Observatories. The first images taken by SST ... > more
Search ScienceDaily
Number of stories in archives: 140,676
more 
