Earth’s Second Magnetic Field

Earth is a pretty wild place to live. Not only does our home planet orbit the sun at the perfect distance to sustain life, it even has its own magnetic force field that keeps us from being deep fried by our star’s radiation.

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Mars is a world with a cold, dead heart.

High over the peak of a long dead volcano on the Martian equator, a feathery white cloud stretches across the sky. At first glance it looks like the plume of an eruption, but Mars is a world with a cold, dead heart.

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13.5 billion year old star discovered

The first stars to form after the Big Bang would have been made entirely of elements made in the Big Bang itself which are the lightest and simplest like hydrogen, helium and lithium. The heavier and more complex elements which astronomers call "metals" were made in subsequent stars thermonuclear furnaces. The first stars seeded the universe with the heavier elements when they exploded as supernovae.

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Atoms-for-Peace

 

Atoms-for-Peace is the curious name given to a pair of interacting and merging galaxies that lie around 220 million light years away in the constellation of Aquarius. It is also known as NGC 7252 and Arp 226 and is just bright enough to be seen by amateur astronomers as a very faint small fuzzy blob shining around 12,2 mag.

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