#59 - May 2017

The Discussion: Jeni’s missing this month as she collects
transiting exoplanet data in South Africa using the SIRIUS camera
on the Japanese 1.4 metre Infrared Survey Facility telescope.


So Paul & Ralph take the helm and record from the AstroCamp
starparty in the Welsh Brecon Beacons, discussing light
pollution, the wonder of starparties and take a look at the
countries which only have a solitary Awesome Astronomy
downloader.


The News: Rounding up the space and astronomy news this month we
have:


Astronomers use gravitational lensing to calculate
intergalactic distances

The Event Horizon Telescope gathers its data for an image of
our supermassive black hole

Space X demonstrates the first relaunch of previously used
rocket

Cassini begins its swan song in glorious style



The Interview: This month we speak to Dr Dave Abergel at the
Nordic Institute for Theoretical Physics to discuss the merit (or
otherwise) of the recent creation of a substance with negative
mass.


Q&A: Listeners’ questions via email, Facebook & Twitter
take us on a journey into the astronomy issues that have always
plagued our understanding or stretched our credulity. This month
we take a look at radio telescopes:


I‘d like to know how a radio telescope comes up with an image
Samuel Wertz, Pennsylvania, USA.