Search

Rocket Flight to Sharpen NASA’s Study of the Sun

  It’s best not to look directly at the Sun, unless you’re one of NASA’s Sun-observing instruments. And even then, doing so will cause some damage. Exposure to the Sun degrades light sensors of all kinds, from the retinas in the human eye to instruments aboard NASA’s Solar Dynamics Observatory satellite, or SDO. Fortunately, with periodic calibrations, the latter can continue transmitting…

Read More

NASA at Your Table: Where Food Meets Methane

Methane Emission

Methane Emissions Today, human sources are responsible for 60% of global methane emissions, coming primarily  from the burning of fossil fuels, decomposition in landfills and the agriculture sector. Nearly a quarter of methane emissions can be attributed to agriculture, much of which is from raising livestock. Rice cultivation and food waste are also important sources of agricultural methane, as nearly a third of…

Read More