Moscow, Russia is pictured from the International Space Station as it orbited 263 miles above eastern Europe.
A placard commemorating NASA's "Send Your Name to Mars" campaign was installed on the Perseverance Mars rover on March 16, 2020, at NASA's Kennedy Space Center in Florida.
Lake Rukwa in Tanzania is pictured from the International Space Station as it orbited above the Africa continent.
The Orion spacecraft, secured atop a transporter in its shipping container, arrives at the Neil Armstrong Operations and Checkout Building at NASA's Kennedy Space Center in Florida on March 25, 2020, for final testing and assembly.
Much of the progress in Astronomy has been driven by instrumental developments, from the first telescopes to fiber fed spectrographs.