models

A New Model Explains How Gas and Ice Giant Planets Can Form Rapidly

The most widely recognized explanation for planet formation is the accretion theory. It states that small particles in a protoplanetary…

5 months ago

How We Get Planets from Clumping Dust

Our gleaming Earth, brimming with liquid water and swarming with life, began as all rocky planets do: dust. Somehow, mere…

10 months ago

Astronomers Calculate Which Exoplanets Are Most Likely to Have Water

Astronomers know of about 60 rocky exoplanets orbiting in the habitable zones of their stars. When they try to determine…

1 year ago

Betelgeuse is Almost 50% Brighter Than Normal. What’s Going On?

Whenever something happens with Betelgeuse, speculations about it exploding as a supernova proliferate. It would be cool if it did.…

2 years ago

Return to the Moon with Blue Origin’s Rockets and Lunar Lander Made Out of LEGO

Indulge your inner man-child (or woman-child) with these LEGO versions of the Blue Origin Blue Moon lunar lander, New Glenn…

5 years ago

Track Comet ISON’s Journey Around the Sun with this Paper Model

Planet orbits are so easy to picture - eight nearly concentric hula hoops centered on the sun. Comets are weirder.…

11 years ago