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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
17 September 2012
A Solar Filament Erupts
Image Credit: NASA's GSFC, SDO AIA Team
What's happened to our Sun? Nothing very unusual -- it just threw a filament. At the end of last month... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
31 December 2012
Saturn's Rings from the Dark Side
Image Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA
What do Saturn's rings look like from the dark side? From Earth, we usually s... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
4 December 2012
In the Center of Saturn's North Polar Vortex
Image Credit: NASA/JPL-Caltech/Space Science Institute
What's happening at the north pole of Saturn? A vortex of strange an... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
30 December 2012
Doomed Star Eta Carinae
Image Credit: J. Morse (Arizona State U.), K. Davidson (U. Minnesota) et al., WFPC2, HST, NASA
Eta Carinae may be about to explode. But no one knows when... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
5 January 2013
Stereo Helene
Credit: Cassini Imaging Team, ISS, JPL, ESA, NASA; Stereo Image by Roberto Beltramini
Get out your red/blue glasses and float next to Helene, small, icy moon of Satu... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
25 November 2012
Dark Sand Cascades on Mars
Image Credit: HiRISE, MRO, LPL (U. Arizona), NASA
They might look like trees on Mars, but they're not. Groups of dark brown streaks have been pho... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
28 October 2012
Doomed Moon of Mars
Image Credit: HiRISE, MRO, LPL (U. Arizona), NASA
This moon is doomed. Mars, the red planet named for the Roman god of war, has two tiny moons, Phobos and Dei... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
16 January 2013
NGC 1309: Spiral Galaxy and Friends
Image Credit: Hubble Legacy Archive, ESA, NASA; Processing - Martin Pugh
A gorgeous spiral galaxy some 100 million light-years distant, NGC 13... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
29 January 2013
Apollo 16: Driving on the Moon
Video Credit: NASA
What would it be like to drive on the Moon? You don't have to guess -- humans have actually done it. Pictured above, Apollo... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
24 February 2013
M51: The Whirlpool Galaxy in Dust and Stars
Image Credit: N. Scoville (Caltech), T. Rector (U. Alaska, NOAO) et al., Hubble Heritage Team, NASA
The Whirlpool Galaxy is a classic... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
25 September 2012
Unusual Spheres on Mars
Image Credit: Mars Exploration Rover Mission, Cornell, JPL, NASA
Why are these strange little spheres on Mars? The robotic rover Opportunity chanced acr... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
17 March 2013
Light Echoes from V838 Mon
Image Credit: NASA, ESA, H. E. Bond (STScI)
What caused this outburst of V838 Mon? For reasons unknown, star V838 Mon's outer surface suddenly great... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
29 March 2013
Ringside with Rhea
Image Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA
Orbiting in the plane of Saturn's rings, Saturnian moons have a perpetual ringside view of the gas g... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
25 January 2013
Matijevic Hill Panorama
Image Credit: NASA/JPL-Caltech/Cornell/Arizo na State U.
On January 25 (UT) 2004, the Opportunity rover fell to Mars, making today the 9th anniversary of i... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
2 September 2012
RBSP Night Launch
Image Credit & Copyright: Mike Killian
This graceful arc traces a Delta rocket climbing through Thursday's early morning skies over Cape Canaveral Air... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
21 February 2013
Gravitational Tractor
Illustration Credit & Copyright: Dan Durda (FIAAA, B612 Foundation)
How would you change the course of an Earth-threatening asteroid? One possibility -... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
26 February 2013
Coronal Rain on the Sun
Video Credit: Solar Dynamics Observatory, SVS, GSFC, NASA; Music: Thunderbolt by Lars Leonhard
Does it rain on the Sun? Yes, although what falls is not w... |
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SocietyCost Comparison: Mars Curiosity Vs Olympics
7 Posts • 8562 Views
Politics & Current Events Forum |
Yeah. So it is indeed a program that fails on its purpose on a large scale. But then again... I don't know if that it is its intended purpose. To inspire all... or a great deal of people. It is t... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
6 November 2012
Methone: Smooth Egg Moon of Saturn
Image Credit: Cassini Imaging Team, ISS, JPL, ESA, NASA
Why is this moon shaped like a smooth egg? The robotic Cassini spacecraft completed the... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
14 September 2012
Elliptical M60, Spiral NGC 4647
Credit: NASA, ESA, Hubble Heritage Team (STScI/AURA)
Giant elliptical galaxy M60 and spiral galaxy NGC 4647 do look like an odd couple in this s... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
13 January 2013
NGC 602 and Beyond
Image Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA) - ESA/Hubble Collaboration
Near the outskirts of the Small Magellanic Cloud, a satellite gal... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
11 October 2012
Aurorae over Planet Earth
Image Credit : NASA, NOAA, GSFC, Suomi NPP, Earth Observatory,
processing by Jesse Allen and Robert Simmon
North America at night is easy to recognize... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
14 February 2013
Solar System Portrait
Image Credit: Voyager Project, NASA
On another Valentine's Day (February 14, 1990), cruising four billion miles from the Sun, the Voyager 1 spacecraft... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
17 December 2012
NGC 922: Collisional Ring Galaxy
Image Credit: NASA, ESA; Acknowledgement: Nick Rose
Why does this galaxy have so many big black holes? No one is sure. What is sure is that NGC... |
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AstronomyAstronomy Picture Of The Day
216 Posts • 85157 Views
Science & Technology Forum |
29 October 2012
The Red Spider Planetary Nebula
Image Credit & Copyright: Carlos Milovic, Hubble Legacy Archive, NASA
Oh what a tangled web a planetary nebula can weave. The Red Spider Plane... |
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