2018 was a busy year in space
We said hello to some spacecraft and good-bye to a few favorites
Several new space probes got their starts in 2018, while some sang swan songs.
Hello
1. TESS is on the lookout for planets
There’s a new planet hunter in town. The Transiting Exoplanet Survey Satellite, or TESS, launched April 18 to search the nearest, brightest stars in the sky for signs of orbiting planets.
TESS has already spotted at least two new worlds, one of which may be saturated with water (SN Online: 9/18/18).
2. Parker Solar Probe aims for the sun