The juno mission

SJ Bolton, J Lunine, D Stevenson… - Space Science …, 2017 - Springer
Juno is a PI-led mission to Jupiter, the second mission in NASA's New Frontiers Program.
The 3625-kg spacecraft spins at 2 rpm and is powered by three 9-meter-long solar arrays …

Geophysical characterization of the interiors of Ganymede, Callisto and Europa by ESA's JUpiter ICy moons Explorer

T Van Hoolst, G Tobie, C Vallat, N Altobelli… - Space Science …, 2024 - Springer
Abstract The JUpiter ICy moons Explorer (JUICE) of ESA was launched on 14 April 2023
and will arrive at Jupiter and its moons in July 2031. In this review article, we describe how …

Jupiter's interior and deep atmosphere: The initial pole-to-pole passes with the Juno spacecraft

SJ Bolton, A Adriani, V Adumitroaie, M Allison… - Science, 2017 - science.org
On 27 August 2016, the Juno spacecraft acquired science observations of Jupiter, passing
less than 5000 kilometers above the equatorial cloud tops. Images of Jupiter's poles show a …

The water abundance in Jupiter's equatorial zone

C Li, A Ingersoll, S Bolton, S Levin, M Janssen… - Nature …, 2020 - nature.com
Oxygen is the most common element after hydrogen and helium in Jupiter's atmosphere,
and may have been the primary condensable (as water ice) in the protoplanetary disk. Prior …

Super-adiabatic temperature gradient at Jupiter's equatorial zone and implications for the water abundance

C Li, M Allison, S Atreya, S Brueshaber, LN Fletcher… - Icarus, 2024 - Elsevier
The temperature structure of a giant planet was traditionally thought to be an adiabat
assuming convective mixing homogenizes entropy. The only in-situ measurement made by …

Juno's close encounter with Ganymede—An overview

CJ Hansen, S Bolton, AH Sulaiman… - Geophysical …, 2022 - Wiley Online Library
The Juno spacecraft has been in orbit around Jupiter since 2016. Two flybys of Ganymede
were executed in 2021, opportunities realized by evolution of Juno's polar orbit over the …

The distribution of ammonia on Jupiter from a preliminary inversion of Juno microwave radiometer data

C Li, A Ingersoll, M Janssen, S Levin… - Geophysical …, 2017 - Wiley Online Library
The Juno microwave radiometer measured the thermal emission from Jupiter's atmosphere
from the cloud tops at about 1 bar to as deep as a hundred bars of pressure during its first …

The Juno waves investigation

WS Kurth, GB Hospodarsky, DL Kirchner… - Space Science …, 2017 - Springer
Jupiter is the source of the strongest planetary radio emissions in the solar system.
Variations in these emissions are symptomatic of the dynamics of Jupiter's magnetosphere …

Microwave observations reveal the deep extent and structure of Jupiter's atmospheric vortices

SJ Bolton, SM Levin, T Guillot, C Li, Y Kaspi, G Orton… - Science, 2021 - science.org
Jupiter's atmosphere has a system of zones and belts punctuated by small and large
vortices, the largest being the Great Red Spot. How these features change with depth is …

Changes in Jupiter's zonal wind profile preceding and during the Juno mission

J Tollefson, MH Wong, I de Pater, AA Simon, GS Orton… - Icarus, 2017 - Elsevier
We present five epochs of WFC3 HST Jupiter observations taken between 2009–2016 and
extract global zonal wind profiles for each epoch. Jupiter's zonal wind field is globally stable …