Hertford Astronomy Group
What else is going on that might be of interest to you?
Open Evenings at Bayfordbury Observatory:
30 October 2015
27 November 2015
23 January 2016
26 February 2016
18 March 2016
Free entry to members of HAG if you help out with recruitment stand or Back Garden Telescope Display by the domes. Let the Programme Secretary (Alan) know if you intend to attend.
Meetings held at:
Panshanger Golf Complex
Old Herns Lane,
Welwyn Garden City,
25 years of the Hubble Space Telescope
The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990, and remains in operation. With a 2.4-meter (7.9 ft) mirror, Hubble's four main instruments observe in the near ultraviolet, visible, and near infrared spectra. The telescope is named after the astronomer Edwin Hubble.
Hubble's orbit outside the distortion of Earth's atmosphere allows it to take extremely high-resolution images with negligible background light. Hubble has recorded some of the most detailed visible-light images ever, allowing a deep view into space and time. Many Hubble observations have led to breakthroughs in astrophysics, such as accurately determining the rate of expansion of the universe.
Although not the first space telescope, Hubble is one of the largest and most versatile, and is well known as both a vital research tool and a public relations boon for astronomy. The HST was built by the United States space agency NASA, with contributions from the European Space Agency, and is operated by the Space Telescope Science Institute. The HST is one of NASA's Great Observatories, along with the Compton Gamma Ray Observatory, the Chandra X-ray Observatory, and the Spitzer Space Telescope.
Space telescopes were proposed as early as 1923. Hubble was funded in the 1970s, with a proposed launch in 1983, but the project was beset by technical delays, budget problems, and the Challenger disaster. When finally launched in 1990, Hubble's main mirror was found to have been ground incorrectly, compromising the telescope's capabilities. The optics were corrected to their intended quality by a servicing mission in 1993.
8:00 - 10:00pm
Doors open at 7:30 although the bar is open earlier for a drink or meal.
9 September 2015
25 Years of the Hubble Space Telescope
14 October 2015
UVOT - Catching Gamma Ray Bursts on the Fly
11 November 2015
Unveiling the invisible sky: the power of radio astronomy
9 December 2015
13 January 2016
10 February 2016
9 March 2016
13 April 2016
Finding a Super Nova!
11 May 2016
Astro Biology Little Green Things-Detecting Life on Earth and Exoplanets
8 June 2016
Pikonic - Disruptive Technologies
|Members Sign Up/Sign In|