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An Historic Day in Human Spaceflight
An Historic Day in Human Spaceflight

On April 12, 1961, the era of human spaceflight began when the Cosmonaut Yuri Gagarin became the first human to…

Jupiter-bound Spacecraft
Jupiter-bound Spacecraft

NASA’s Jupiter-bound spacecraft, Juno, is undergoing testing at Lockheed Martin Space Systems, Denver, prior to shipment to NASA’s Kennedy Space…

Disappearing Act
Disappearing Act

This swirling landscape of stars is known as the North America Nebula. In visible light, the region resembles North America,…

Hinode Observes Annular Solar Eclipse
Hinode Observes Annular Solar Eclipse

On January 4, the Hinode satellite captured these breathtaking images of an annular solar eclipse. An annular eclipse occurs when…

Earth’s Magnetosphere
Earth’s Magnetosphere

A magnetosphere is that area of space, around a planet, that is controlled by the planet’s magnetic field.

Earth’s Magnetosphere and Plasmasphere
Earth’s Magnetosphere and Plasmasphere

A magnetosphere is that area of space, around a planet, that is controlled by the planet’s magnetic field. The Earth’s…

The Sun, Inside and Out
The Sun, Inside and Out

Artist concept of the Sun’s layers.

The Heliosphere
The Heliosphere

Artist’s concept of our heliosphere as it travels through the Milky Way galaxy. The blue items represent the heliosphere components.…

SOHO Spacecraft
SOHO Spacecraft

Artist rendition of the SOHO spacecraft.