All posts by TopSpacer

Amateur astronomer captures images of giant Gamma Ray Burst

Amateur astronomer Patrick Wiggins captured images of the visible light from the largest gamma-ray burst ever recorded.  GRBs are seldom bright enough to be seen with amateur telescopes but this one was especially energetic across the spectrum and for several hours.

Brilliant gamma-ray burst

This animation from NASA shows, before and after, the patch of sky
where GRB 130427A appeared on April 27, 2013. The image was produced
by the Fermi Gamma-ray Space Telescope. Here is a larger view.
Credits: NASA / DOE / Fermi LAT Collaboration

Grote Reber inducted into Inventors Hall of Fame

A reader points me to the news that Grote Reber, a ham radio operator and amateur astronomer, has been inducted into the National Inventors Hall of Fame for his invention of the radio telescope:

From the induction description:

Grote Reber (1911 – 2002)
Navigational Instrument
Patent No. 2,519,603
Radio telescope

Reber, a pioneering radio astronomer, built the first substantial radio telescope dedicated to astronomy. Radio astronomy allows for the detection of objects and phenomena not possible with optical astronomy, utilizing a radio receiver that can amplify faint cosmic signals, making the waves strong enough to be recorded and charted.

More about Grote from the History of Radio Astronomy | Susquehanna Astronomical Society:

[…] the U.S. Radio Engineer and Amateur Radio Operator, Grote Reber (W8GFZ) (b.1911-d.2002) built the first radio telescope at his home in Wheaton, Illinois. His design was considerably more advanced than Jansky’s, consisting of a parabolic sheet metal mirror 9 meters in diameter, focusing to a radio receiver 8 meters above the mirror. The entire assembly was mounted on a tilting stand allowing it to be pointed in various directions, although not turned. The telescope was completed in 1937.

Reber’s first receiver operated at 3300 MHz and failed to detect signals from outer space, as did his second, operating at 900 MHz. Finally his third attempt at 160 MHz was successful in 1938, confirming Jansky’s discovery. He found that the radio radiation came from all along the plane of the Milky Way and from the Sun. Reber turned his attention to making a radio-frequency sky map, which he completed in 1941 and extended in 1943.

Reber later donated his telescope to the NRAO in Green Bank, West Virginia, and helped supervise its re-construction at that site. The telescope was then mounted on a turntable, allowing it to be pointed in any direction. Reber helped with a reconstruction of Jansky’s original telescope as well.

ESTCube, now in orbit, to test E-Sail propulsion

The Estonian student Cubesat project ESTCube successfully reached orbit via a Vega rocket this week:

Paul Gilster writes about the E-sail propulsion concept, developed by Pekka Janhunen of Finland, which will be tested by ESTCube: To Ride the Solar Wind.

Interview with space activist Christopher Carson

Lunar settlement advocate Christopher Carson (Luna Project) has a prominent role in the documentary Lunarcy! (2012). Moonandback spoke with him at the recent Space Access ’13 conference in Phoenix: