Twilight observations spot 3 large near-Earth objects lurking in the inner solar system Twilight observations with the Dark Energy Camera at the Cerro Tololo Inter-American Observatory in Chile, a program of the U.S. National Science Foundation-supported NOIRLab, have enabled astronomers to spot three near-Earth asteroids, or NEAs, hiding in the glare of the sun. One is the […]
Active regions on the sun combined to look something like a jack-o-lantern’s face on Oct. 8, 2014. The image was captured by NASA’s Solar Dynamics Observatory, or SDO, which watches the sun at all times from its orbit in space. The active regions in this image appear brighter because those are areas that emit more […]
A team of researchers has a plan to slow the melting of northern sea ice using a sand-like substance. Leslie Field is an inventor trained in chemical and electrical engineering who lectures at Stanford University in California. She and her team-member Alex Sholtz of the non-profit group Ice911 recently presented at the University of […]
For the second time in history, a human-made object has reached the space between the stars. NASA’s Voyager 2 probe now has exited the heliosphere – the protective bubble of particles and magnetic fields created by the Sun. Comparing data from different instruments aboard the trailblazing spacecraft, mission scientists determined the probe crossed the outer edge of […]