August 2020
Revisiting the Drake Equation - a cultural addendum
... 1974 Arecibo Message, the most powerful radio broadcast ever deliberately beamed into space. The 1982 Steven Spielberg movie E.T. The Extra-Terrestrial features a lovable alien. The now legendary Drake Equation asked the...
May 2021
In-situ propellant design for Mars ascent vehicles
... than solid or liquid systems. Figure 2. Paraffin wax liquid entrainment mechanism during combustion [A. Karabeyoglu, B. Cantwell, J. Stevens, ‘Evaluation of homologous series of normalalkanes as hybrid rocket fuels’, 41st AIAA/ASME/SAE/ASEE Joint...
15 October 2015
Hitchhikers no more: NASA picks 3 firms to launch cubesats
... 2017, SpaceNews.com reported. “Our price is relative to the level of risk the customer is willing to undertake,” said Steven Isakowitz, president of Virgin Galactic. “In the case of NASA, they wanted to fly on one of our early launches.” All...
01 March 2017
Researchers find first evidence for rocky planet formation around double stars
... brown dwarf was effectively hidden by the dust until we looked with the right instrument", said co-author Dr Steven Parsons (University of Valparaíso and University of Sheffield). "But when we observed SDSS 1557 in detail we recognised the brown...
27 October 2017
Astronomers find system with six planets
... and a data set that spans nearly two decades, a team, whose lead author on the research paper is Steven S. Vogt from the Lick Observatory, University of California at Santa Cruz, have revealed that six planets have...
03 April 2018
Astronomers unexpectedly find the most distant star ever discovered
.... We know that the microlensing was caused by either a star, a neutron star, or a stellar-mass black hole,” explains Steven Rodney from the University of South Carolina, USA and a co-author of this research. Those latter two constituents...
