New concept may enhance Earth-Mars communication

Direct communication between Earth and Mars can be strongly disturbed and even blocked by the Sun for weeks at a time, cutting off any future human mission to the Red Planet. An ESA engineer working with engineers in the ...

Sun releases strong solar flare

The sun emitted a strong solar flare, peaking at 7:14 p.m. ET on July 2, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.

Strong solar flare erupts from sun

The sun emitted a strong solar flare, peaking at 4:55 p.m. EST, on Dec. 31, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.

Power amplifiers for 5G made of gallium nitride

The wireless data transmission via mobile communication is reliable and affordable. However, data volume per user is rising exponentially. Causes are not only the continuously growing number of smartphones, but also trends ...

Robotic spiders to explore the moon

There is no doubt that one of the hallmarks of the modern space age is that it is becoming increasingly democratic. In addition to more space agencies entering the fray, private aerospace companies are contributing like never ...

Several NASA spacecraft track energy through space

(Phys.org) —Scientists have provided the most comprehensive details yet of the journey energy from the sun takes as it hurtles around Earth's magnetosphere. Understanding the changes energy from the sun undergoes as it ...

Lightning strokes can probe the ionosphere

(Phys.org) —Thunderstorms, and the resulting partially ionized plasma of the ionosphere, can distort radio signals traveling to satellites important to communications, navigation or national security

page 4 from 21