Mars’ moons are easily visible at night from the Red Planet. Larger Phobos is brighter, while smaller Deimos is still brighter than any star.
Earth and Mars are constantly moving, but don’t stay a constant distance apart. Plus, spacecraft don’t travel in a straight line to their destination.
Visible in Scorpius before dawn, our waning satellite is close to the 3rd-magnitude star Pi (π) Scorpii and less than 8° from Antares, the Scorpion’s bright red heart. The Moon will pass 0.7° south of ...
Italian mathematician Galileo Galilei was born in Feb. 15, 1564, in Pisa. Often summarized as the father of modern science, certainly a polymath and a brilliant thinker who operated on a high ...
A 12-ton rocket loaded with a 1-ton warhead, the V-2 ’s successful launch would prove to be exceptionally significant to both the military and to space exploration. On Oct. 3, 1942, the V-2 was fired ...
Asteroid 44 Nysa may be just past opposition, but it’s still placed perfectly for evening viewing in Cancer the Crab. Wait until a few hours after sunset, when Cancer is high in the eastern sky, and ...
When NASA’s OSIRIS-REx mission brought back samples from asteroid 101955 Bennu, researchers found that they contained amino acids, the building blocks necessary for life. Amino acids are the molecules ...
On Tuesday, February 17, an annular eclipse of the Sun will occur. Here’s the catch, though: It will only be visible as annular along a thin line in Antarctica. From the southern tips of Chile and ...
The first mission in NASA’s Living With a Star program, a slate of projects focused around understanding solar variability, the Solar Dynamics Observatory (SDO) launched Feb. 11, 2010. The spacecraft ...
A wonderful celestial event known as a total lunar eclipse will occur in the skies above North America during the morning ...
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