On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system. Eris is just ...
Space.com on MSN
Venus reaches superior solar conjunction today: What does it mean and can you see it?
A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. Venus will align with the sun ...
On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...
Morning Overview on MSN
A hidden world? Astronomers may have found a new solar system planet
Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...
Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...
Astrum on MSN
Voyager left the planets - but not the solar system
The boundary of a solar system is not defined by planets, but by gravity. Beyond Pluto and the Kuiper Belt lies the Oort ...
Smithsonian Magazine on MSN
Don’t Miss These Ten Celestial Events in 2026, From Aligned Planets to a Total Solar Eclipse
The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...
This article was originally featured on The Conversation. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of ...
So what is your favorite planet?” As museum educator Melissa Moeller opened up her presentation on the solar system Saturday ...
Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...
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