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New findings reveal the most detailed mass map of dark matter（图）
Astronomy Physics Research
2023/6/29
For millennia, humans have been fascinated by the mysteries of the cosmos. From ancient civilizations such as the Babylonians, Greeks, and Egyptians to modern-day astronomers, the allure of the starry...
A Yale-led team has produced one of the highest-resolution maps of dark matter ever created, offering a detailed case for the existence of cold dark matter — sluggish particles that comprise the bulk ...
Astrophysicists produce the first age map of the halo of the Milky Way
Astrophysicists first age map Milky Way
2015/11/12
University of Notre Dame astronomer Timothy Beers and his Galactic Archaeology group, which includes Notre Dame astronomers Daniela Carollo and Vinicius Placco, have led an international team of resea...
Map of Mysterious Molecules In Our Galaxy Sheds New Light on Century-Old Puzzle（图）
Map of Mysterious Molecules Our Galaxy Light on Century-Old Puzzle
2015/1/20
The map, which can be viewed at http://is.gd/dibmap, was unveiled Jan. 8 at the 225th meeting of the American Astronomical Society in Seattle. The map will be discussed at a 2:15 p.m. PST press confer...
Venus wind map at cloud top level with the MTR/THEMIS visible spectrometer. I. Instrumental performance and first results
Venus Wind Clouds Visible Spectrometry
2010/11/15
Solar light gets scattered at cloud top level in Venus’ atmosphere, in the visible range, which corresponds to the altitude of 67 km. We present Doppler velocity measurements performed with the high r...
A Map for a Group of Resonant Cases in a Quartic Galactic Hamiltonian
elliptical-orbits-regular and chaotic motion maps Hamiltonian stability
2009/5/20
We present a map for the study of resonant motion in a potential
made up of two harmonic oscillators with quartic perturbing terms.
This potential can be considered to describe motion in the central...