NASA Retools Its Website05/04/15
NASA's Messenger spacecraft made a scheduled crash onto the surface of Mercury and NASA's rebuilt website - now oriented towards imagery and social media. It's a reflection of the changing nature of NASA's understanding of what audience it must appeal...
May Day Alert!
This Friday, May 1st is a cross-quarter day - halfway between the first day of spring and the first day of summer. It's a day that has been marked by festivals and celebrations for centuries. The month of April is filled with outer space...
Come One, Come All: No Telescope Needed
Friday marks the 5th Annual city-wide Astronomy Night, which is the first event of the 2015 Philadelphia Science Festival.
Rings, Centaurs, and Known Science
Centaurs - non-planetary objects with rings; seeing, and knowing, the universe; spring constellations dominate the sky now.
Shedding Light on Dark Matter
Newly discovered dwarf galaxies orbiting our Milly Way may offer opportunities to gain insight about so-called dark matter (the invisible 'stuff' holding galaxies together) as part of the ongoing Dark Energy Survey.
Fastest star in the west (or east, north and south)
US 708 now holds the speed record for extragalactic stars; total lunar eclipse on Saturday; the night sky this week.
NASA Success Story Celebrates Silver Anniversary
25 years of Hubble Space Telescope operations; First photo of the moon; and Werner von Braun's birthday.
Water, Water (Almost) Everywhere
A total solar eclipse is available to be seen; Water is detected at more and more sites in the solar system; A new moon means dark skies.
Meetings at The Jet Propulsion Lab last week indicate that a major reason why NASA is pursuing landing on Mars is to protect human existence from disaster that could arise an asteroid collision in the future or any other calamity that might jeopardize...
Busy ramp-up at International Space Station; both Russian and SpaceX Dragon resupply craft made deliveries recently in advance of two astronauts arriving next month with the goal of spending an entire year in space.
Calendar offers hints of spring
Fat Tuesday and Ash Wednesday mark the start of Lent, heading toward spring which is now just over 4 weeks away. Yesterday was Galileo's Birth Anniversary; Copernicus was born 4 days later but 90 years earlier. John Glenn's historic orbital flight...
A perfect pair for Valentine’s Day
Head out of doors in the evening on Valentine's Day to observe "a perfect pair" -- Venus and Mars in the west right after sunset, Jupiter in the eastern evening sky at the same time and then Saturn in the pre-dawn sky. Today is the 44th anniversary of...
Oldies & goodies
The oldest planets ever discovered in our Milky Way have been around 11.2 billion years! Kepler 444 has identified five Venus-sized rocky bodies revolving around a star (smaller than our sun) around 117 light years away. Water on Vesta?
Only the shadow knows
Next Monday (2/2) is Groundhog Day! Halfway through Winter. SpaceX gets another one billion dollars in investments for newly proposed 4,000 satellite broadband plan. Venus and Mars still dominate the western sky right after sunset but over in the...
Beware of the belching black hole
Chandra X-Ray satellite observes enormous eruption from our Milky Way Galaxy's black hole . This extreme outburst could be due to a close-passing asteroid being torn apart or magnetic field lines reconfigured and recombining. Astronomers refine their...
2015 astronomy & space exploration highlights
SpaceX ISS resupply launch could come as early as tomorrow or Wednesday. Dawn at Ceres - March 6th: orbited Vesta for a year. One-year ISS space mission for two astronauts starts March 27th. Great planetary observing - Jupiter/Venus dance together...
Welcome to Winter
Yesterday Earth arrived at a point in its orbit around the sun where the north end of the planet has its greatest tilt away from the sun; three extraordinary new discoveries announced by NASA Curiosity; this weeks night sky.
Bid Adieu to Fall
Winter solstice arrives on Sunday, lacustrine deposits discovered by Mars Rover Curiosity, view Mars and Aldebaran on Sunday.
NASA Halts New Horizens’ Hibernation
The Geminid Meteor Shower peaks Friday; earliest sunsets of 2014 will occur over the next few days; NASA Orion launch ; and New Horizons wakes up.
Sunrise – (earliest) sunset (this Friday)
Earliest Sunset - This week Friday 4:34 and we dwell there for a week. Then sunsets slowly drift later. But sunrise time continues to come later until early January. Orion Capsule scheduled to launch this week - NASA's unmanned flight test of its big...
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