Pictures of Rivers

15 years ago

Here are some cool pictures of rivers taken by various spacecraft. Here's a picture of the Mississippi river delta. The…

Black Dwarf

15 years ago

[/caption] A black dwarf is a white dwarf that has cooled down to the temperature of the cosmic microwave background,…

Solar System Coloring Pages

15 years ago

[/caption] Want to find some cool Solar System coloring pages? Here are some links to resources we've been able to…

Spitzer Watches Planet-Forming Disk Change Quickly

15 years ago

[/caption] Something strange is going on around a young star called LRLL 31. Astronomers have witnessed a swirling disk of…

Two Equinox Sunspots

15 years ago

[/caption] Two sunspots appeared on old Sol yesterday just as Earth's orbit ushered in the Autumnal Equinox. Two sunspots showing…

Build the Ares I-X in Less Than Six Minutes

15 years ago

Here is a very nifty time-lapse video of what it took to put together the Ares I-X test vehicle, which…

62 New Meteor Showers to Enjoy

15 years ago

[/caption] Earth is constantly plowing through meteoric debris, and any given night stargazers can spot a shooting star or two.…

Supernova 1987A

15 years ago

[/caption] The first supernova in 1987 (that's what the "A" means) was the brightest supernova in several centuries (and the…

Kepler’s Third Law

15 years ago

[/caption] "The square of the orbital period of a planet is proportional to the cube of the semi-major axis of…

Abiogenesis

15 years ago

[/caption] How did life on Earth arise? Scientific efforts to answer that question are called abiogenesis. More formally, abiogenesis is…