van allen belt

ریشه

Named after American physicist James Van Allen, who discovered them.

مثال

• The Van Allen belts protect the earth from solar radiation.
• The outer Van Allen belt extends from an altitude of about 13,000 to 60,000 kilometers above the earth.
• The discovery of the Van Allen belts was a major achievement in the field of space exploration.

ترکیب‌های رایج

outer Van Allen belt discovery of the Van Allen belts