By Sakshi Sah
Published Aug 12, 2025

Hindustan Times
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Photo Credits: File Photo

Surprising NASA facts that will blow your mind

Here are some amazing space facts from NASA you’ve never heard.

Saturn is so light that it could float, if you had a giant bathtub.

A Venus day is approximately 243 Earth days long.

The average temperature on Venus is more than 480 degrees Celsius.

Mars has the biggest canyon in the solar system.

The largest canyon system is Valles Marineris. It’s over 4,000 kilometres long.

Jupiter’s moon Io has more volcanic activity than anywhere else in the solar system.

Mars has only about one-third of Earth’s gravity.