ARTICLES

Sunspots are dark because they are much cooler than the surrounding portions of the sun, according to Cool Cosmos, a joint project by the National Aeronautic and Space Administration’s Jet Propulsion Laboratory and Calif...

www.reference.com/article/sunspots-appear-dark-eb28ad4e8fe19676

The Stanford Solar Center states that sunspots form when the sun's magnetic field protrudes through its surface. The sun's magnetic field is composed of tubes that affect the sun’s surface temperature at the point of pro...

www.reference.com/article/sunspots-form-1a8d0affa8d33de6

NASA scientists believe sunspots form when the sun's magnetic pressure increases, whereas the surrounding atmospheric temperature decreases, due to the magnetic field suppressing hot gases. Strong magnetic points prevent...

www.reference.com/article/causes-sunspots-2567f4f1180b3693

SIMILAR ARTICLES

The National Aeronautic and Space Administration was created in 1958, it has put 12 men on the moon, it accidently recorded over the original moon landing tapes and a modern toaster has more computing power than the NASA...

www.reference.com/article/nasa-d24b146cb2c999bc

Stars appear to move across the sky due to the rotation of the Earth in its orbit. As the Earth rotates the view of what can be seen changes along with the planets' positioning in the solar system. The location of a pers...

www.reference.com/article/stars-appear-move-across-sky-93b3584432369e5b

The stars appear to move from east to west across the night sky because as Earth rotates, the sky is observed as rotating, according to Astronomy Education at the University of Nebraska–Lincoln. Observers on Earth, in bo...

www.reference.com/article/stars-appear-move-east-west-across-night-sky-feda6ae58902ee36

Auroras are formed when charged particles that are emitted from the sun hit the Earth's magnetic field and the atoms in the atmosphere. This interaction causes the gases in the atmosphere to give out photons of different...

www.reference.com/article/auroras-form-6a1ff69b3bc2722e