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September 2017
Binary stars and their extraordinary lives
... them a new lease on life. Other notable oddballs are those that are known as chemically-peculiar stars. These stars are at a stage in their life when they are not expected to have certain chemical elements, such ...hydrogen-rich envelope. If this envelope is removed by binary interactions just before helium ignites, a new type of star called a subdwarf-B star forms. What we see is the exposed, nuclear-burning core of a red giant, and we know this ...
01 June 2020
Giant magnetic spots discovered on small super-hot stars
... H-R diagram and hence become known as Horizontal Branch stars. One of the hottest variety of these type of stars is an extreme horizontal branch star (EHB star). These small, super hot stars have temperatures of about 25,000 K and are distinguished..., please consider subscribing to ROOM Space Journal to gain immediate and full access to the latest magazine feature articles and receive your own print and/or digital copies of the quarterly ROOM...
05 June 2020
Exciting exoplanet find around sun-like star
.... And regardless of their mass they also tend to have orbits relatively close in around their respective host stars. This is due to the way we search for exoplanets which preferentially favours the discovery of big planets around... this article, please consider subscribing to ROOM Space Journal to gain immediate and full access to the latest magazine feature articles and receive your own print and/or digital copies of the quarterly ROOM...
August 2018
Flying to the stars
... Sirius. When we talk about interstellar travel however, we commonly mean that we can reach another star within an acceptable timeframe. What is an ‘acceptable timeframe’ though? The team that designed the ...How to ‘download’ the uploaded humans is obviously another open question. A final possibility of sending humans to the stars is commonly referred to as ‘beaming’. Only data that comprises a human is transmitted via a radiofrequency antenna or a...
22 August 2016
Massive Young Star Discovered
..., making them harder to catch when they are infants." Another reason why it's sometimes hard to observe a young star is that they are typically surrounded by a thick cloud of gas and dust. In this study, researchers used ... long wavelengths used by these arrays allowed astronomers to peek into the opaque cloud surrounded the young star. Astronomers where also able to determine the presence of a “Keplerian” disc that rotates more quickly at its ...
05 October 2016
Neutron star natal kicks could be the catalyst for binary formation and new gravitational wave sources
... a new type of promptly appearing eLISA gravitational wave (GW) source, say researchers. Neutron stars are created when stars with an initial mass of eight solar masses or more undergo core collapse. During this... neutrons and the energy involved in such a process results in a supernova explosion. Some neutron stars turn into rapidly rotating stars that emit regular pulses of radio waves (and other types of electromagnetic radiation) at rates of...
27 October 2016
Rare newly forming triple star system observed by astronomers
... of a mystery, although fragmentation of the gaseous disk in which they form is considered a main driving force. Stars initially form from a cloud of interstellar gas that is collapsing under its own gravity and, in a process that... astronomical units), provide direct observational support for the two dominant theoretical models for binary/multiple star formation.” The two main theories that Tobin refers to are either small scale fragmentation of ...
01 March 2017
Researchers find first evidence for rocky planet formation around double stars
... enough, now however, researchers have for the first time found evidence of planetary debris surrounding a double star system. In a study led by a team from University College London (UCL), researchers found the remains of ... planet assembly via large asteroids that formed, helping us understand how rocky exoplanets are made in double star systems,” said lead author, Dr Jay Farihi from UCL whose research is published in Nature Astronomy. "We know ...
03 January 2018
Mass of black holes determines star formation history
..., scientists have determined that it is the mass of the black hole that is guilty of shutting down star formation as the galaxy evolves. The name active galactic nuclei (AGN) is used to describe a very bright...a team, led by Ignacio Martín-Navarro, a postdoctoral researcher at UC Santa Cruz, were able to recover a galaxy’s star formation history by finding the best combination of stellar populations to fit the spectroscopic data. "It tells you how...
