Steve Nerlich
Astronomy Without A Telescope – Forbidden Planets
[/caption] Binary star systems can have planets – although these are generally assumed to be circumbinary (where the orbit encircles…
Astronomy Without A Telescope – Through A Lens Darkly
[/caption] Massive galactic clusters - which are roughly orientated in a plane that is roughly face-on to Earth - can…
Astronomy Without A Telescope – Black Hole Evolution
[/caption] While only observable by inference, the existence of supermassive black holes (SMBHs) at the centre of most - if…
Astronomy Without A Telescope – So Why Not Exo-Oceans?
[/caption] Well, not only may up to 25% of Sun-like stars have Earth-like planets - but if they are in…
Astronomy Without A Telescope – Necropanspermia
[/caption] The idea that a tiny organism could hitchhike aboard a mote of space dust and cross vast stretches of…
Astronomy Without A Telescope – Indigenous Australian Astronomy
[/caption] Eta Carinae is a massive binary system - of which the dominant member is an eruptive luminous blue variable…
Eyes On The Solar System
[/caption] NASA’s beta version of Eyes on the Solar System, built by JPL and Caltech, offers a neat way of…
Astronomy Without A Telescope – Warp Drive On Paper
[/caption] The Alcubierre drive is one of the better known warp drive on paper models - where a possible method…
Astronomy Without A Telescope – Blazar Jets
[/caption] Polar jets are often found around objects with spinning accretion disks – anything from newly forming stars to ageing…
Astronomy Without A Telescope – No Metal, No Planet
[/caption] A Japanese team of astronomers have reported a strong correlation between the metallicity of dusty protoplanetary disks and their…