A watercolor sketch of a balloon with payloads dangling below surrounded by people

The idea to gather student teams from across the US to fly stratospheric balloons to investigate solar eclipses and share the awe-inspiring view from near space started in early 2014 by Principal Investigator Dr. Angela Des Jardins. After the first successful campaign with 60 teams in 2017, the research goals grew. What was the Eclipse Ballooning Project (EBP), for the 2017, 2019, and 2020 eclipses, has evolved into the Nationwide Eclipse Ballooning Project (NEBP).

NEBP boasts six successful solar eclipse ballooning campaigns in 2017, 2019 in Chile, 2020 in Chile, 2023, 2024, and 2026 in Iceland and Spain, with the seventh and eighth coming up August 2, 2027 in Spain and northern Africa and July 22, 2028 in Australia and New Zealand.

Students, researchers, and partners have published dozens peer-reviewed articles, with more coming soon, and shared their passion via national and local media coverage across the United States and around the world. 

NEBP is made possible through the participation of STEM learners from higher education and a few high school institutions. The recent 2023 and 2024 campaigns included over 850 participants that comprised 53 teams from 75 participating institutions.

25 people are jumping on a green, grassy hill with mountains and blue sky in the background

August 12, 2026 eclipse in Iceland and Spain

Logo patch with black words Nationwide Eclipse Ballooning Project on a white ring on the outside; cartoon image of the globe in the center showing a peak of Iceland and Spain with the total solar eclipse path; part of the Icelandic and Spanish flags on the edges; a white balloon over the globe.

Aerial image of a sports field with a weather balloon being launched and mountains in the background.        Large weather balloon with payloads hanging beneath and a female student about to release it.

NEBP brought two Atmospheric Science teams to Iceland and three Engineering teams to Spain for the August 12, 2026 total solar eclipse. The five teams included highly motivated students and seasoned faculty with strong backgrounds in atmospheric science, varied engineering disciplines, and data analysis to ensure high-quality data collection and interpretation. In addition to their solid experience with high-altitude balloon launches and/or similar aerospace projects, all selected teams demonstrate technical competence and proven safety awareness.

The sky with the sun partially covered by the moon as a balloon is floating up with a string carying payloads

Results

The primary science question NEBP aims to answer is how the fast-moving, cold, dark shadow of the moon on the earth during the daytime affects the atmosphere. By examining how the atmosphere reacts in the special case of a total solar eclipse, we can understand more about the atmosphere in general, which can help us better predict the weather.

The 2019, 2020, 2023, 2024, and 2026 campaigns examined atmospheric gravity waves, planetary boundary layer effects, and tropopause changes. NEBP shared live-streaming video during the 2017, 2023, and 2024 eclipse. All data from the 2023 and 2024 eclipses are published on Dryad. 

 

Academic Scientific Ballooning

a team standing together under a fully inflated balloon

Since the early 2000s, scientific ballooning has been a common hands-on STEM learning activity in the US. Academic ballooning uses weather balloons carrying payloads of experiments weighing a total of less than 12 pounds to altitudes of approximately 100,000 feet. At these altitudes – above 99.5% of the atmosphere – payloads experience a space-like environment. Academic ballooning types can be generalized into two categories: 1) atmospheric science radiosondes and 2) student-built engineering platforms. Radiosondes are small standardized commercial off-the-shelf payloads of less than 190 grams that are used to measure atmospheric parameters through the stratosphere. Typical atmospheric science experiments include understanding gravity waves, planetary boundary layer changes, and weather patterns. Engineering balloon platforms are capable of lifting up to 12 pounds of student built payloads into the stratosphere. Typical engineering platform experiments include atmospheric measurements, imaging, cosmic radiation measurements, and space technology proofs of concept.

Solar Eclipses

the sun being eclipsed by the moon

An eclipse is an awe-inspiring celestial event that involves the Sun, Moon, and Earth. People can experience a solar eclipse on Earth when the Earth, Moon, and Sun line up. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of Earth, totally or partially.

Speaker Series

A screenshot of 20 people on a zoom call

The NEBP Speaker Series was a set of student-centered virtual sessions to engage with subject matter experts, STEM educators, and NASA professionals. All 2023-24 sessions were recorded. Check them out to learn about diverse career paths, leadership experiences, and ballooning-related technical skill sets in the workforce.

 

Image Gallery

Past Eclipses

Read about our past eclipse ballooning missions. See how these undertakings have grown in scope, their objectives, paths of totality, and more!

 


This page was created at Montana State University-Bozeman. We acknowledge and honor, with respect, the Indigenous Nations on whose traditional territories the University now stands and whose historical relationships with the land continue to this day. We recognize that a land acknowledgment alone is not enough, but it is a reminder that we are on settled Indigenous land and that we must continuously learn more about these lands and people.