Astronomers have used the National Science Foundation's Karl G. Jansky Very Large Array (VLA) and NASA's Spitzer Space Telescope to make the first measurement of wind speed on a brown dwarf—an object intermediate in mass ...
Astronomy
Apr 9, 2020
3
1177
Despite humanity's current struggle against the novel coronavirus, and despite it taking up most of our attention, other threats still exist. The very real threat of a possible asteroid strike on Earth in the future is taking ...
Space Exploration
Mar 26, 2020
7
1505
Venus is covered in a thick layer of clouds, one reason that it appears so bright in the sky. Ancient astronomers had a good idea of what (since Copernicus) we know as its orbital period; the modern measurement is that Venus ...
Space Exploration
Oct 21, 2019
1
136
Since the second Gaia data release on the 25th April 2018, astrophysicists have had at their disposal an unprecedented wealth of information not only on distances and motions of stars in the galaxy, but also on many other ...
Astronomy
May 28, 2019
0
29
Over 4000 exoplanets have been discovered since the first one in 1995, but the vast majority of them orbit their stars with relatively short periods of revolution. Indeed, to confirm the presence of a planet, it is necessary ...
Astronomy
Apr 18, 2019
0
638
(Phys.org) —Ever since their discovery in 1984, the burgeoning area of research looking at quasiperiodic structures has revealed astonishing opportunities in a number of areas of fundamental and applied research, including ...
Optics & Photonics
Mar 20, 2013
0
0
