Marin County is known for sun, but residents there may be paying for that exposure.
A white dwarf sounds harmless enough. It’s the small, dead core of a once-normal star like the Sun. But to a close companion star, a white dwarf is anything but harmless.
Over the decades, when astronomers wanted a subject for testing new techniques for studying the stars, they frequently turned to Vega, the brightest star of Lyra, the harp.
A massive solar flare flooded the sunlit portion of the planet Tuesday morning with X-rays powerful enough to disrupt GPS navigation, and airplane and maritime communication for several minutes.
FROM THE UNIVERSITY OF TEXAS McDONALD OBSERVATORY, AS HEARD ON KCBS RADIO WEEKDAYS @ 9:52 A.M., 7:35 P.M. & 2:52 A.M. STARDATE 07/04/2014: The Sun may feel bigger and brighter during the hot days of […]
Early risers are in for a skywatching treat at first light Tuesday morning — a close pairing of the crescent Moon and the planet Venus. Venus looks like a dazzling star just to the left or upper left of the Moon.
Summer arrives tomorrow in the northern hemisphere, as the Sun stands farthest north for the entire year. It’s also the longest day day of the year with 14 hours of daylight in the U.S.
NASA has reported that a shockwave from a massive solar flare will hit Earth on Friday, possibly knocking out communications and causing disruptions to satellites.
For an 18th-century astronomer, the quickest way to fame and fortune was discovering comets — the big iceballs that grow long, beautiful tails when they come close to the Sun.
It’s lonely out here in the galactic suburbs. The closest neighbors are light-years away — distances that are truly astounding.