When Earth’s Surface Shifts, a New Satellite Will See It
NISAR, built jointly by NASA and India’s space agency and launched on Wednesday, will use radar to monitor tiny changes across our planet’s land and icy regions.
Microwaves (Electromagnetic Waves)
Back to New Jersey, Where the Universe Began
A half-century ago, a radio telescope in Holmdel, N.J., sent two astronomers 13.8 billion years back in time — and opened a cosmic window that scientists have been peering through ever since.