The planet’s apparent diameter is currently 36 arcseconds.Wednesday 12 FebruaryMinor planet 29 Amphitrite reaches opposition today.Thursday 13 FebruaryMagnitude +1.3 Regulus (Alpha (α) Leonis) sits 1.2° south of the Moon’s southern edgeat 01:00 UT this morning....
The second innermost Galilean moon isEuropa, which takes its name from the mythical Phoenician noblewoman who was courted by Zeus and became the queen of Crete. At 3121.6 kilometers in diameter, it is the smallest of the Galileans, and slightly smaller than the Moon. Europa’s surface consis...
Graph showing the relationship between the size of an earth-impact asteroid and the frequency of such an event. How Often Do They Hit The Earth? Every day! But only rarely does one reach the ground. Depending on their composition, meteors smaller than about 10 m in diameter do not survive...
When it comes to observing the planets, there is really no right or wrong answer to what equipment to use. It is more a question of how far you want to go. To observe the planets, you do not need a telescope greater than 4 -inches in diameter. A suitable pair of binoculars (in th...
There is so much to see in the night sky tonight, here's what you can look forward to. A goodtelescopeor pair ofbinocularswill help you see some of the night sky’s fainter objects. However, the unaided eye is enough to learn itsstarsandconstellations, watchthe moon, experiencemeteor sho...
The deepest visible-light image of the universe, the Hubble Ultra Deep Field, contains an estimated 10,000 galaxies in a patch of sky just one-tenth the diameter of the full moon. Image Credit: NASA, ESA, S. Beckwith (STScI) and the HUDF team. Outer space, also simply called space, ...
Expansion of Gu Zhenghong Memorial Hall / Atelier Diameter Ballast Point House / Fox Johnston Architects Spark Pavilion / ATMOperation Phú Yên House / Story Architecture Japan National Stadium / Taisei Corporation + AZUSA SEKKEI + Kengo Kuma & Associates ...
The sixth planet from the sun and the second largest in the solar system, having a sidereal period of revolution about the sun of 29.5 years at a mean distance of about 1.43 billion kilometers (891 million miles), a mean diameter of approximately 121,000 kilometers (75,000 miles), and ...
The new finding suggests that most of those craters mightinstead be "secondaries," impacts that formed by the material ejectedfrom primary impacts. For Europa, secondaries account for as much as 95 percent ofall the small craters--those less than a mile in diameter--observed on the moon,the...
What Is A Moon? Before the invention of the telescope in the early 1600’s, man just knew of the Moon — a round, mysterious astronomical object that people would gaze up to in the night sky. As time progressed however, astronomers discovered that the moon isn’t exactly unique to ...