Astronomy

Then, how the universe looks like before the Big Bang? The problem is, astronomers measuring the age of the universe starts from the moment of big bang. And since Big Bang event marks early time and forming of space, there is no moment “before big bang”. In that moment, there is no “space” or “time”, […]

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This basketball-size meteorite founded by Mars rover Opportunity on the plain of Meridiani Planum, while exploring where the spacecraft’s heat shield hit the ground. Project scientists have named this nickel-iron meteorite rock as Spongebob. (Picture credits: NASA/JPL/Cornell)
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For decades after its discovery by Clyde Tombaugh on 1930, Pluto had considered as a planet. But since 1992, astronomers become aware that beyond Neptune orbit, there is a region, were around 70.000 small, icy bodies that slowly orbiting the Sun. Then, we call such an objects as “Kuiper Belt” objects, named after Gerard P. […]

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On new Year’s Eve 2004, NASA’s Cassini spacecraft flew past Iapetus, one of Saturn’s distinctive moon, capturing the four visible light images that were put together to form this global view. The scene is dominated by a dark, heavily-cratered region, called Cassini Regio, that covers nearly an entire hemisphere of Iapetus. Iapetus is 1,436 kilometers […]

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The world largest optical reflecting telescopes had received its first sight to universe. The telescope, known as Gran Telescopio Canarias (“Great Telescope Canary Islands”, GTC) located in Canary Islands, Spain, has begun the initial observation last Friday (July, 13). In ceremonial observation, attended by 300 people, including Price Felipe from Spain, the telescope pointed to […]

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Hydra (Sea dragon) is largest constellation in the night sky. Covering area of 1,302.844 square degree, or 3.16% of the whole sky, the constellation had at least 68 stars that can be seen with naked eyes. On the other side, smallest constellation is Crux Australis (Southern Cross). It is only covering area of 68.477 square […]

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Venus is spinning so slowly, even slower than its orbital period. It makes one day in Venus take longer than one year (one day in Venus is equivalent with 243 days in Earth, and one year in Venus is equivalent than 225 Earth day). Venus is also spinning from east to west—opposite than another planet […]

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This picture shows one of the Saturn’s moons, Hyperion. Taken by Cassini spacecraft during its flyby in September 2005, this picture revealed for the first time surface details of Hyperion, including cup-like craters filled with hydrocarbons that may indicate more widespread presence in our solar system of basic chemicals necessary for life.
Cassini’s ultraviolet imaging spectrograph […]

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Our Sun is a largest object in solar system, at diameter (in the equator) 1.392.140 km. In second place is Jupiter, with 142.984 km. Next place is Saturn (120.536 km), Uranus (41.118 km), and Neptune (49.600 km). Our Earth is in the sixth place with diameter 12.756 km, followed by Venus (12.103 km), and Mars […]

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This image shows beautiful celestial object, a startlingly symmetrical nebula that christened as “The Red Square” for its color and form. This object discovered when astronomer use advanced imaging technologies known as Adaptive Optics while studying a hot star called MWC 922 located about 5000 light-years from earth in the constellation Serpens (the serpent mythologically […]

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