You are here |
www.astrobetter.com | ||
| | | |
mappingignorance.org
|
|
| | | | The direct imaging of a cosmic filament connecting two quasar-host galaxies marks a pivotal moment in observational cosmology | |
| | | |
sci.esa.int
|
|
| | | | The Herschel Space Observatory is the largest infrared space observatory launched to date. Equipped with a 3.5 metre diameter reflecting telescope and instruments cooled to close to absolute zero, Herschel observes at wavelengths that have never previously been explored. After a roughly 50-day journey from Earth, Herschel entered its operational orbit around the second Lagrange point of the Sun-Earth system (L2), for a nominal mission lifetime of three years. The Herschel Space Observatory is the largest... | |
| | | |
www.thespacereview.com
|
|
| | | | ||
| | | |
starkeycomics.com
|
|
| | A brief history of the 30 or so objects in our solar system that have been considered planets at some point. While the planets themselves may seem constant and timeless, the way we define the term "planet" has changed drastically over the centuries. Here's my timeline of all the objects considered planets in our solar [...] |