News tagged with comet theory

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A second minor planet may possess Saturn-like rings

There are only five bodies in our solar system that are known to bear rings. The most obvious is the planet Saturn; to a lesser extent, rings of gas and dust also encircle Jupiter, Uranus, and Neptune. The ...

Mar 16, 2015
4.6 / 5 (17) 0

What was the impact that killed the dinosaurs?

What suddenly made the dinosaurs disappear 65 million or 66 million years ago? Whatever it was, all indications show that it was a massive extinction event. The fossil record not only shows dinosaurs disappearing, ...

Feb 04, 2015
4.1 / 5 (10) 3

Ten interesting facts about asteroids

At first glance, looking at a bunch of space rocks doesn't sound that exciting. Like, aren't they just a bunch of rubble? What use can they be in understanding the Solar System compared to looking at planets ...

Feb 03, 2015
4.4 / 5 (10) 2

How are planets formed?

How did the Solar System's planets come to be? The leading theory is something known as the "protoplanet hypothesis", which essentially says that very small objects stuck to each other and grew bigger and ...

Jan 30, 2015
4.6 / 5 (11) 7

VLT image: The mouth of the beast

Like the gaping mouth of a gigantic celestial creature, the cometary globule CG4 glows menacingly in this new image from ESO's Very Large Telescope. Although it appears to be big and bright in this picture, ...

Jan 28, 2015
4.8 / 5 (12) 3

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