In the late 1950’s, NASA scientist Lewis Kaplan developed a groundbreaking way to calculate temperature in the atmosphere for weather forecasting. via NASA https://go.nasa.gov/2DLB9uq

NASA’s InSight lander used the Instrument Deployment Camera (IDC) on the end of its robotic arm to image this sunset on Mars on April 25, 2019, the 145th Martian day, or sol, of the mission. This was taken around 6:30 p.m. Mars local time. via NASA https://go.nasa.gov/2GVyuQV

The Orbiting Carbon Observatory 3, or OCO-3, sits on the large vibration table (known as the “shaker”) in the Environmental Test Lab at the Jet Propulsion Laboratory. via NASA https://go.nasa.gov/2GTftOU

This final traverse map for NASA’s Opportunity rover shows where the rover was located within Perseverance Valley on June 10, 2018, the last date it made contact with its engineering team. via NASA https://go.nasa.gov/2DCtIpi

This sparkling burst of stars is Messier 75. It is a globular cluster: a spherical collection of stars bound together by gravity. Clusters like this orbit around galaxies and typically reside in their outer and less-crowded areas, gathering to form dense communities in the galactic suburbs. via NASA https://go.nasa.gov/2L68mag

The International Space Station crew snapped this image of the Hudson Bay’s frozen southern tip. via NASA https://go.nasa.gov/2UI1WNP

Cerberus Fossae is a steep-sided set of troughs cutting volcanic plains to the east of Elysium Mons, Mars. This image was captured by the HiRISE camera on the Mars Reconnaissance Orbiter. via NASA https://go.nasa.gov/2VjCxP9

In celebration of the 29th anniversary of the launch of NASA’s Hubble Space Telescope on April 24, 1990, astronomers captured an image of the tentacled Southern Crab Nebula. via NASA https://go.nasa.gov/2vfDh9e

As the International Space Station orbited 265 miles above the southern Indian Ocean about halfway between Madagascar and Antarctica, the crew snapped this image of the Aurora Australis. via NASA https://go.nasa.gov/2IsToZH

A rainbow is seen at launch Pad-0A after the Northrop Grumman Antares rocket launched, Wednesday, April 17, 2019 at NASA’s Wallops Flight Facility in Virginia. via NASA https://go.nasa.gov/2Gj96De