Amir Radhamy
Recent articles by Amir Radhamy
The astronomy of the Aborigines
How Australia’s indigenous people view and use the night sky
Sky-Watcher Stargate-500P SynScan Dobsonian review
Bigger appears to be better when it comes to telescopes
How to make a telescope dew shield
Transform an everyday object into a vital astronomy accessory that will prevent dew forming on your telescope lens.
IAPY 2017: the shortlist
A selection of astrophotos shortlisted for the Insight Astronomy Photographer of the Year 2017 competition has been released by the Royal Observatory Greenwich.
DMC Photography Courses
A guide to DMC photography courses, what to expect and how to sign up.
Out in the cold
Vodcast: how to buy your first telescope
BBC Sky at Night Magazine's Will Gater reveals what to look for when buying your first telescope.
Who was Charles Messier?
The story of Charles Messier's famous astronomical catalogue, and why it continues to influence astronomers today.
A splash of colour
What is dark matter?
The Universe consists mostly of the unknown substances dark matter and dark energy, but what exactly are they?
Unique 'cannibalising' binary system discovered
The Gaia satellite has spotted a unique binary star system that could help scientists learn more about Type Ia supernovae and the expansion of the Universe.
Did our Sun once have a partner?
Our Sun may once have been part of a binary system, according to a study that suggests all Sun-like stars are born in pairs.
Buzz Aldrin to auction Moon memorabilia
Apollo 11 astronaut's ShareSpace Foundation rolls out a 'red carpet for the Red Planet'.
Mars volcano died as dinosaurs fell
NASA studies of a Martian volcano have revealed it ran dry just as the dominant species on Earth was facing catastrophe.
Did rain change the Martian surface?
Heavy rain may have altered the surface of Mars, carving channels into its rock that we can see today, according to a new study.
Exoplanet caught masquerading as brown dwarf
What was previously thought to be a brown dwarf has been discovered to be an exoplanet lying on the cusp between the two. The exoplanet could help in the study of exoplanet atmospheres.
Comet oxygen mystery solved?
Data from ESA's Rosetta mission is still being analysed by scientists to make new discoveries about the structure and chemistry of comets. A new study has shown how comets could be producing oxygen via chemical reactions on their surface.
Nearby planetary system similar to our own
Studies of a young planetary system 10 lightyears away have revealed it is remarkably like our own.
The Story of the Solar System: The Primordial Earth
The young Earth was a fearsome place of asteroid impacts and volcanic eruptions, looked over by a Moon much closer than it is now and also riven with strikes.
The Rock passes by Earth
An asteroid the size of Gibraltar passed by the Earth on 19 April, and will continue to grow in brightness for several nights giving a fantastic observing opportunity.
Jupiter’s Cold Spot revealed
Jupiter may have been hiding a second great spot for over a thousand years. New images from the Very Large Telescope have revealed a colossal Great Cold Spot, a cool patch in the planet’s polar atmosphere that appears to be created by the planet’s aurora.
Faintest 'normal' early galaxy ever discovered
Gravitational lensing has allowed astronomers to spy on a 'typical' galaxy as it was in the days of the early Universe. This find will allow them to study the most numerous kind of fledgling galaxy present during this highly important era.
ALMA spies fireworks in Orion
The remnants of a collision between two infant stars has been captured by ALMA. The beautiful images could help astronomers understand how such stellar crashes govern the rate at which our Galaxy forms stars.
Scientists recreate heart of a star
By heating gas to millions of degrees and compressing it to huge densities, a team of scientists have been able to study the nuclear reactions that occur in a stellar core.