Earth and Space Science Archives - Page 5 of 6

Image showing particles being ejected from the asteroid Bennu on 6 January 2019

Up Close with an Active Asteroid

by Catherine W. V. Wolner, C. W. Hergenrother and D. S. Lauretta 9 September 20202 February 2022

A new journal special collection investigates the ejection of particles from the asteroid Bennu and the implications of these observations for asteroid science.

Schematic of the mechanical design of the Heatflow and Physical Properties Package radiometer

Editors' Highlights

Insights from Calibration of the HP^³ Radiometer on InSight

by Kristy Tiampo 27 July 202022 June 2022

A detailed analysis of Heatflow and Physical Properties Package Radiometer on the Mars InSight lander, including changing instrument sensitivity and calibration coefficients.

Map of the Gusev Crater region of Mars with craters detected by an algorithm shown in red

Editors' Highlights

Who Wants to Count All the Craters on Mars? Not Me!

by P. Fox 21 July 202028 January 2022

Humans found hundreds of thousands of craters on Mars greater than 1 kilometer in diameter, but now computers automate the process delivering crater counts as well as geologically meaningful ages.

Charts comparing the Standardized Precipitation-Evapotranspiration Index and the standardized simulations at multiple timescales for the study area, which is shown on a map on the left

Editors' Highlights

Ensemble Learning Estimates Terrestrial Water Storage Changes

by Jonathan H. Jiang 2 July 20206 February 2023

Ensemble learning models for estimating past changes of terrestrial water storage from climate are presented and tested in the Pearl River basin, China.

Research Spotlights

How Accurate Are Our Measurements of the Sun’s Energy?

by Elizabeth Thompson 13 April 20206 December 2022

As instruments collecting solar data degrade, researchers must correct for errors. A new study compares several methods to correct solar spectral irradiance measurements.

Satellite view of the Nili Patera dune field on Mars in 2014

Research Spotlights

Mapping Martian Dunes from Orbit

by David Shultz 24 March 202028 July 2022

New research shows how fast the sands shift on the Red Planet and how useful imagery from different orbiting cameras can be in studies of Mars’s dunes.

Photograph taken from the International Space Station of clouds over the Amazon Basin

Research Spotlights

Evaluating Cloud Cover Predictions in Climate Models

by Sarah Stanley 23 March 202013 March 2023

A new analysis highlights progress in predictions of cloud cover from models that are part of the Coupled Model Intercomparison Project.

Image of the Sun in extreme ultraviolet light taken by NASA’s Solar Dynamics Observatory

Research Spotlights

Observational Data Validate Models of Sun’s Influence on Earth

by David Shultz 2 January 20206 December 2022

Using a combination of independent models and observations over multiple timescales, scientists verify two important models that gauge the amount of solar radiation Earth receives.