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Sunday, 4 October 2015

Exoplanets vs. Jupiter planet.

A younger version of Jupiter offers clues about planet formation.

It is probably not the first time you hear scientists likened an exoplanet to Jupiter. According to a team of astronomers, a planet called 51 Eridani b is not only similar in size: 51 Eri B has an atmosphere rich in methane "very much like patterns that suggest as Jupiter at the beginning.". It was detected with the new Gimini Planet Imager instrument from Gemini South Telescope in Chile, as big as a small car, and it was made to filter atmospheric turbulence and has been optimized to find planets near bright stars. This exoplanet, for example, is a million times dimmer than its host star which is only about 20 million years old. Our sun is 4.5 billion years.

So how resembles Eri 51 b with the largest planet in our solar system? 
One reason is that it is only twice the size of Jupiter, while those discovered in the past were about five times larger. Also, scientists suspected that was formed in the same way as the gas giants in our solar system. The other exoplanets like Jupiter are too hot, but Eri 51 b has a temperature of 800 degrees Fahrenheit and is considered "cool" like Jupiter, which has an average temperature of 234 degrees.

It could be so because like on our gas giants, its rocky nucleus was formed over a period of several million years before starting to attract gas. Other planets are likely to have dragged gas heat too fast. Astronomers hope that this young exoplanet can help us better understand how gas giants formed around the sun.

Below are images taken with the video camera attached to my telescope.

The Galilean moons of Jupiter.

Planet Jupiter
Distance: 745,969,326 km. (4982 A.U.)
Illuminated: 99.0%
Magnitude: -2.37

Astronomical Instrument: Celestron Newtonian 8 inch Telescope
Mount C5 / EQ5
Video Camera: Sony CX-130
Ocular: Plossl 20mm, 2x Barlow
Filter: no
Date: January 28, 2012
Edit: Sony Vegas 10
Location: Baia Mare, Romania

Friday, 2 October 2015

Jupiter. The largest planet seen through astronomical telescope.

Jupiter is seen here with its dark bands but without its great red spot.
Four of the jovian satellites are observed here: Ganymede, Europa, Io and Callisto. Europe is the front of the planet, and Ganymede is furthest from Jupiter as seen in the last pictures.
They are also Galilean satellites.

Jupiter stunned by the beauty many astronomers since the invention of the telescope. They did not have our present technology to photograph or film it, and therefore they draw most of what they observed.

The first person who observed Jupiter was Galileo Galilei on January 7 1610. However, his telescope was too small to detect features on the planet, but could see the four largest moons, now called Galilean moons, precisely this is why. Observations of these satellites orbiting Jupiter was what convinced Galileo that the Earth is not in the center of the Universe.

Planet Jupiter
Distance: 593,969,758 km. (3970 continental United States)
Illuminated: 100%
Magnitude: -2.93

Astronomical Instrument: Celestron Newtonian 8 inch Telescope
Mount C5 / EQ5
Video Camera: Sony CX-105
Ocular: Plossl 20mm, 2x Barlow
Filter: no
Date: October 28, 2011
Edit: Sony Vegas 10
Location: Baia Mare, Romania

Thursday, 24 September 2015

Jupiter and the Galilean satellites video through the telescope.

In this video I filmed Jupiter planet through telescope. Ganymede, Europa, Callisto and Io are satellites orbiting the planet on which we see in the first part of the video looking like bright pearls.

Jupiter is the largest planet in our Solar System. It is 2.5x larger than all the planets combined. Also, this planet has
most moons than any other planet, 67 in number discovered only till now.

The planet has four larger satellites: Io, Europa, Ganymede and Callisto which are named Galileans or main satellites, all of which may be seen in this video. They can be detected through a modest telescope and even through binoculars.

Images processed in Registax of this video, are here.

Planet Jupiter
Magnitude: -1.91
Distance: 4.85 AU (725 549 673 yd)
Illuminated: 99.2%

Astronomical Instrument: Celestron C8-Newtonian telescope, plossl 20mm, 2x Barlow
Mount: CG5 (EQ5)
Camera: Sony CX130
Filter: no
Date: 03/14/2014
Location: Baia Mare, Romania
Processing: Sony Vegas

All images are © Copyright 2010-2015 Lupu Victor. All rights reserved.Images may not be reproduced, published, or copied in any form without written permission of the author. Thank you for respecting the intellectual property rights. ASTROFOTOGRAFIA | Lupu Victor Astronomy - Contact - About
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