In 1838, Friedrich Wilhelm Bessel won the race to measure the first distance to a star other than our Sun via the trigonometric parallax—setting the first scale of the universe. Astronomers from the U ...

(Nanowerk News) In 1838, Friedrich Wilhelm Bessel won the race to measure the first distance to a star other than our Sun via the trigonometric parallax – setting the first scale of the Universe.

Explore the impact of the LIGO discovery of gravitational waves, marking a new era in gravitational wave astronomy. The first serious attempt to measure parallax was likely Robert Hooke’s in 1669 and ...

Cambridge, MA – The Perseus spiral arm – the nearest spiral arm in the Milky Way outside the Sun’s orbit – lies only half as far from Earth as some previous studies had suggested. An international ...

Astronomers directly measured the distance to a region on the far side of our Milky Way Galaxy, past the Galaxy's center. Bill Saxton, NRAO/AUI/NSF; Robert Hurt, NASA Using a 180-year-old technique ...

Astronomers have succeeded in precisely determining the astronomical yardstick for the Galaxy based upon precise distance measurements from advanced radio telescopes. The new findings are that the ...

(Nanowerk News) Astronomers from the Max Planck Institute for Radio Astronomy in Bonn, Germany, and the Harvard-Smithsonian Center for Astrophysics have directly measured the distance to a ...

Astronomers from the U.S. Naval Observatory (USNO), in collaboration with others from the REsearch Consortium On Nearby Stars (RECONS), have determined new distances to a group of faint young stars ...