What We Know About NASA’s Supposedly ‘Successful’ Megarocket Launch Rehearsal

What We Know About NASA’s Supposedly ‘Successful’ Megarocket Launch Rehearsal

NASA’s Space Launch System on the launch pad at Kennedy Space Center in Florida. Photo: NASA NASA wrapped up its fourth wet dress rehearsal of the Space Launch System yesterday, during which time ground teams achieved a number of key test objectives. That said, an unresolved hydrogen leak prevented a full completion of the test, … Read more

What We Know About NASA’s Supposedly ‘Successful’ Megarocket Launch Rehearsal

NASA’s Space Launch System on the launch pad at Kennedy Space Center in Florida. Photo: NASA NASA wrapped up its fourth wet dress rehearsal of the Space Launch System yesterday, during which time ground teams achieved a number of key test objectives. That said, an unresolved hydrogen leak prevented a full completion of the test, … Read more

Survey of More Than 800 Planet-Forming Disks Reveals a Planetary Evolution Surprise

Is our Solar System comparable to other solar systems? What do other systems look like? We know from exoplanet studies that many other systems have hot Jupiters, massive gas giants that orbit extremely close to their stars. Is that normal, and our Solar System is the outlier? One way of addressing these questions is to … Read more