How successfully do rain gauges catch rainfall patterns? Do the satellites record the same patterns of data as the ground-based gauges? How many gauges are required in order to observe regional ...

Terra has consistently orbited Earth from Pole to Pole for over twenty years, collecting important data about Earth’s systems. Crossing the equator at 10:30 am mean local time allowed Terra’s five ...

To improve air quality, it is important to know what contributes to polluting the air. Haze comes from a variety of sources. Your skies may be hazy from local traffic, or industry such as for example ...

As most data users are aware, the Terra satellite has recently been experiencing power-based limitations caused by orbital changes and solar array efficiency. In order to maintain power margins, the ...

After nearly 25 years of observing Earth’s lower atmosphere, tracking harmful emissions from wildfires and industrial sources, the Canadian Measurement of Pollution in the Troposphere (MOPITT) ...

Another year, another cheesy Valentine’s Day card from the Terra mission! (And speaking of 25 years, check out pictures and slideshows from our 25th Anniversary Event at GSFC’s Visitor’s Center, ...

This year has been a busy one for Terra, with our 25th Anniversary just around the corner! (Learn more and RSVP here!) ...

You may have heard about the upcoming full solar eclipse, happening this upcoming April 8th, 2024 — but did you know Terra will have one of the “best seats in the house” for viewing this rare ...

Before we kick off an exciting year — full of celebrating Terra’s upcoming 25th Anniversary! — let’s take a moment to look back at the top-viewed monthly Earth Observatory stories featuring the Terra ...

Happy Halloween 2023, from the Terra mission! Enjoy this ‘spooky’ set of (Terra)-fying imagery that highlights some of Earth’s strangest costumes (as well as past NASA Earth Observatory images ...

My parents always encouraged me and my siblings “not to work as hard” as they did, so I felt like getting a college degree was necessary to ensure more financial freedom than they experienced. I like ...