#solar system
2 article(s)
The Life Cycle of the Sun: What Happens to Earth When Our Star Dies
The Sun is roughly halfway through its life. It is already brighter than when it formed, and it will end as a swollen red giant and then a slowly cooling ember. Here is the timeline.
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Why Pluto Isn't a Planet Anymore — and Why Astronomers Still Argue About It
In 2006 Pluto was demoted, and people are still annoyed. The real story is not a committee being pedantic — it is what happened when telescopes started finding more Plutos.
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