Author Archive for Nancy Atkinson
Snow on Mercury?
No, not that kind of snow, but scientists say deep inside the planet Mercury, iron “snow” forms and falls toward the center of the planet, much like snowflakes form in Earth’s atmosphere and fall to the ground. The movement of this iron snow could be responsible for Mercury’s mysterious magnetic field, and Mercury may [...]
Where In The Universe? #4
Here's this week's "Where In The Universe?" mystery image. Your mission, should you choose to accept, is to guess what location in the universe is depicted here. No peeking below before you make a guess. Give yourself an extra point if you can name the feature shown here, and another point or two [...]
JAXA Releases Boomerang Experiment Video
During the STS-123 mission to the International Space Station in March 2008 Japanese astronaut Takeo Doi tested a special boomerang in space to see how it worked in the microgravity environment of the ISS. The boomerang used in the experiment was a “Roomerang,” a small, tri-blade boomerang intended for use indoors in a small [...]
Did Earth Have More Than One Moon?
Scientists looking at the various Lagrangian Points in our solar system noticed a pattern. Lagrange points, (named after their discoverer Josef Lagrange) are five special locations in the vicinity of two orbiting masses where a third, smaller mass can orbit at a fixed distance from the larger masses. Essentially, the gravity from each [...]
Only 11 Space Shuttle Missions Remain
Space shuttle Discovery now sits majestically out on launch pad 39A, preparing for the upcoming STS-124 mission to the International Space Station. With the shuttle program slated to terminate in 2010, there's a limited amount of times we'll see that sight again. Only 10 more times (or even possibly 9) will a space [...]
Water in Interstellar Space
Water: it covers 70% of our own planet, it makes up 65% of our human bodies, and as far as we know, water seems to be essential for life. Water is also found in space, and in fact water ice is the most abundant solid material out there. But how did [...]
