Three billion miles from Earth, the New Horizons space probe sent back its first images of Pluto and its largest moon Charon. Moving at 31,000 miles per hour, New Horizons is set to snap more photos in the coming months, revealing the mystery planet in clear detail for the first time. Continue reading
On Saturday night at 9:30 p.m. ET, an alarm clock went off for NASA’s New Horizon probe, 2.9 billion miles away from Earth. At 9:52 p.m., the piano-size spacecraft sent a message back to Johns Hopkins Applied Physics Laboratory saying it was awake and all systems were functioning.
Astronomers attending an international summit in Prague plan to vote next week on a new classification of Pluto-like objects that will redefine the solar system. Experts discuss the proposed solution to the long-standing debate over whether Pluto is a planet. Continue reading