#75 - September 2018 Part 1

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The Discussion: Jeni returns after getting the flu, Paul’s
science shows were a wash out at Camp Bestival and Ralph gets a
great email about a telescope library service.


The News: In the new revamped show format we have 3 minutes to
round up the astronomy news stories you might have missed:


Jeni:


New Gaia data shows us the distance and shape of familiar
objects like never before

India’s Chandrayaan-1 finds water ice in the moon’s north and
south pole craters

The Andromeda Galaxy’s dwarf companion was canibalised by a
galactic collision



Ralph:


An ultra-hot 4,000ºC exoplanet

An ultra compact dwarf galaxy with a huge supermassive black
hole

Astronomy favourite Albireo isn’t a binary star after all



The big news story:


New Horizons spacecraft confirms Voyager data on the
Heliosphere



The Skyguide:


Jeni runs through some top facts about the planet Neptune

Paul tells you where to find it and what you can expect to
see

Ralph runs through the autumn equinox, the constellations
Cygnus & Lyra and visiting comet 21P Giacobini Zinner

Paul finished with this month’s moon phases



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 astronomical time travel:


I’m still trying to get my head around if bigger telescopes
looking at the same thing as my 6 inch reflector are seeing it at
a different time or in just more detail. Take the Whirlpool
Galaxy for example, can it be seen at different stages in its
existence? From Peter Coates in the UK.


Episode 75 Part 2 on space exploration comes out in the middle of
the month.