L-Għaqda Maltija tal-Astronomija

Huge sunspot

One of the biggest sunspots in years is crossing the centre of the solar disk. Named ‘AR1944,’ it appears as a large bipolar F-type group with a large leading penumbral sunspot and several smaller penumbral following spots. This type of group can lead to many solar flares. Observations over the [...]

January 9, 2014 admin Uncategorized Comments Off on Huge sunspot

Hiddens costs of light pollution

Have a look at a great video below, on the hidden costs of light pollution. The globe has never been so electrified. Today, most of Europe, the United States, and all of Japan appear as solid blocks of light in satellite photos. Meanwhile, the stars have been all but extinguished [...]

January 6, 2014 admin Uncategorized Comments Off on Hiddens costs of light pollution

How bad is light pollution?

Light pollution is an ever-growing problem that is blocking out the night sky in major cities, obscuring all but the moon and a few bright stars and planets. Bob Parks, executive director of the International Dark Sky Association joins “CBS This Morning: Saturday” to discuss what can be done to [...]

December 2, 2013 admin Uncategorized Comments Off on How bad is light pollution?

Parts of Comet ISON seem to have survived perihelion passage

Comet ISON continues to surprise us. The comet flew through the Sun’s atmosphere on November 28 and the encounter did not go well for the icy comet. Just before perihelion (closest approach to the Sun) the comet rapidly faded and appeared to disintegrate. This prompted reports of ISON’s demise. However, [...]

November 29, 2013 admin Uncategorized Comments Off on Parts of Comet ISON seem to have survived perihelion passage

Comet ISON may still be intact after all!

This morning the website [www.spaceweather.com] published an update about Comet ISON which is hurtling toward the Sun at 238,000 km per hour: Yesterday, reports of fading spectral lines from the comet’s core raised concerns that the icy nucleus might be disintegrating. Current images from NASA and ESA spacecraft, however, show [...]

November 27, 2013 admin Uncategorized Comments Off on Comet ISON may still be intact after all!

A three dimensional view of the 2013 Perseids

KML notation is used to express geographic annotation and visualization within Internet-based, two-dimensional maps and three-dimensional Earth browsers, and was developed for use with Google Earth. Where we have matched multi-station observations we can use the calculated latitude, longitude and altitudes of meteor start and end points to create a [...]

November 24, 2013 admin Uncategorized Comments Off on A three dimensional view of the 2013 Perseids