NASA-ISRO NISAR Satellite Captures Hummingbird-Like Pattern in Antarctica
A striking new radar image from the NASA-ISRO NISAR satellite has revealed a natural formation in East Antarctica that appears to resemble a giant hummingbird in flight.
The unusual image has attracted global attention, but scientists say the shape is not an actual bird or artificial structure. It is a natural landscape created by a mountain surrounded by moving and fractured glacial ice.
A Hummingbird Hidden in the Ice
The image shows Nunatak Zaterjavshijsja, a mountain rising through the ice in East Antarctica.
The mountain acts as an obstruction to the slow movement of the surrounding glacier. As the ice flows around it, powerful stresses create deep cracks known as crevasses.
When viewed in the radar image, the mountain, ice flow and crevasses combine to create a shape that looks remarkably similar to a hummingbird.
How NISAR Captured the Image
The image was produced using data from NISAR's L-band synthetic aperture radar.
Unlike ordinary optical satellite cameras, radar systems can observe Earth's surface in conditions where traditional imagery may be limited, including darkness and cloud cover.
NISAR uses advanced radar technology to detect changes in Earth's land and ice surfaces.
What the Colours Show
The striking colours in the image are not the natural colours of the Antarctic landscape.
Instead, they represent differences in how radar signals interact with the ice and terrain.
The sharp green lines show heavily fractured ice and crevasses, while other colours represent areas with different surface characteristics and radar responses.
Why the Image Is Scientifically Important
Although the hummingbird-like appearance has captured public attention, the image also provides valuable scientific information.
NISAR's radar observations can help scientists study:
Glacier movement.
Ice-sheet changes.
Crevasse formation.
Surface deformation.
The effects of mountains on flowing ice.
By repeatedly observing Earth's surface, the mission can help researchers understand how landscapes and ice systems change over time.
A Major NASA-ISRO Mission
NISAR is a joint Earth-observation mission developed by NASA and the Indian Space Research Organisation.
The satellite uses two radar systems operating at different frequencies, allowing scientists to collect detailed information about changes occurring on Earth's surface.
The mission is designed to study a wide range of natural processes, including changes in ice, forests, land and other parts of the planet.
A Natural Illusion From Space
The Antarctic “hummingbird” is a striking example of how natural landscapes can create familiar shapes when viewed from above.
What appears to be a giant bird is actually the result of a mountain, flowing glacier ice and a network of deep crevasses captured through advanced radar imaging.
Conclusion
The NASA-ISRO NISAR satellite has captured a remarkable radar image of an Antarctic landscape that resembles a hummingbird flying through the ice.
The formation is actually Nunatak Zaterjavshijsja, a mountain surrounded by heavily fractured glacier ice.
Beyond its unusual appearance, the image demonstrates the power of modern radar technology to reveal the complex movements and structures hidden within Earth's icy landscapes.