Today, we must relay with heavy hearts that Envisat has been declared dead on orbit. The ESA will suspend recovery efforts today, the agency has said.
The $2.9 billion Envisat was the world’s largest civilian Earth-observing satellite, originally designed for a five year mission spent taking high-res images of Earth from above. Envisat outlasted its expiration date by a further five years, turning in a solid decade of service. On April 8 however, its run of good luck came to an end when ESA officials say it stopped communicating with ground stations. For the past month agency engineers have been trying to restore contact to no avail. The satellite may have experienced a short circuit that kicked it over into a safe mode from which it cannot escape for whatever reason. Or a power regulator may have failed, or any number of other things may have happened.
(Source: esa.int)
A new chemical analysis of lunar material collected by Apollo astronauts in the 1970s conflicts with the widely held theory that a giant collision between Earth and a Mars-sized object gave birth to the Moon 4.5 billion years ago. Studying how the Moon was formed can help astrobiologists understand the history of the Earth and the processes that led our planet to become habitable for life as we know it.
Finished my last assignment and finally figured out how the printer is my lab does double-sided properly… pity I’m never in this lab again :P
and it’s not even worth much at all but I feel like I need to learn everything for it :0
Finding a solution to a problem online but the author skipped loads of algebra and you just can’t see what steps he took to get it ><
Go choke on a dick.
Love, Simon
