Tag Archive for 'Keck II telescope'

These images of Titan, taken by Webb on July 11, 2023 (top row), and the Keck II telescope on July 14, 2023 (bottom row), show methane clouds (white arrows) appearing at different altitudes in Titan’s northern hemisphere. Image credit: NASA / ESA / CSA / STScI / Keck Observatory.

Weather Report from Saturn’s Moon Titan: Partly Cloudy with Occasional Methane Showers

May 14, 2025 by NASA

Using data from the NASA/ESA/CSA James Webb Space Telescope and the Keck II telescope, astronomers found evidence of cloud convection in the northern hemisphere...

Hidden in this deep sky image (left) is Uma3/U1, a miniscule group of stars (right) bound together by their own gravity in orbit around the Milky Way Galaxy. Image credit: CFHT / S. Gwyn / S. Smith.

Astronomers Discover Faintest Known Milky Way Satellite

Apr 1, 2024 by Enrico de Lazaro

Ursa Major III/UNIONS 1 (UMa3/U1 for short) is the least luminous and lowest-mass Milky Way satellite ever discovered, and possibly one of the most dark...

This infrared image from Hubble shows Milky Way’s nuclear star cluster, the densest and most massive star cluster in our Galaxy. Image credit: NASA / ESA / Hubble Heritage Team / STScI / AURA / T. Do & A. Ghez, UCLA / V. Bajaj, STScI.

Astronomers Find Three Young Stars in Milky Way’s Nuclear Star Cluster

Dec 8, 2023 by Enrico de Lazaro

The oldest of these stars is 1.5 billion years old while the youngest is only 100 million years old, according to a paper published in the Astrophysical...

An artistic representation of how Uranus’ northern infrared aurora (marked in red) would have looked like in 2006. Image credit: NASA / ESA / M. Showalter, SETI Institute / Hubble Space Telescope.

Infrared Aurora Detected on Uranus

Oct 27, 2023 by News Staff

While the ultraviolet aurora of Uranus has been observed since 1986, no confirmation of the infrared aurora had been observed until now. An artistic representation...