Category: Astronomy blog

Daily Cosmobite: First successful spacecraft rendezvous

December 16, 2014

The first successful rendezvous in space, of the Gemini 6A and Gemini 7 spacecraft, was in December 1965. This marked the beginning of many space rendezvous and demonstrated the potential for two spacecraft to dock in orbit.  The two craft were not equipped for docking but came within 1 foot (or approx.

Daily Cosmobite: Pleiades

December 10, 2014

The Pleiades or also known as the Seven Sisters is an open cluster system consisting of approximately 3000 stars. Pleiades has 9 bright stars, 7 named for the daughters and 2 for the parents in Greek Mythology.

24 Oct 2014 Daily cosmobite : Partial solar eclipse

October 23, 2014

A partial solar eclipse occurs on the morning of Friday October 24, 2014 AEDT. It is only visible from far eastern Russia, Canada, USA and Mexico but you can view it via live streams from Griffith Observatory, LA and SLOOH. Both streams begin at 8am AEDT. Click on the heading for links.

Daily Cosmobite: I see a supermoon setting and rising

September 8, 2014

The third so-called supermoon for 2014 is about to happen.  Supermoon is when Moon is at perigee to Earth. An eight year old explained perigee to me the other day. He said this is when the Moon is close to the Earth because of the slight oval path it takes around our planet.

Edinburgh Timeball – still operating since 1853

June 8, 2014

Edinburgh is a fabulous city and on 24 May I managed to visit the time ball, located on Calton Hill, on top of a monument dedicated to naval hero Horatio Nelson. The monument is in the shape of an upturned telescope and was completed in 1816.

In The Centre Of The ‘Ring Of Fire’

July 19, 2013

It hardly seems like two months since I flew into Alice Springs for a look around before the annular eclipse on Friday 10th May. My travelling companions included Prof Jay Pasachoff and his wife Naomi, Rob Lucas, Helen Robinson, Cathi Humphrey-Hood, her two children Elswyth and Aengus, Chris Douglass; and on the flight to Alice Springs we met Richard and Margaret Jaworski who joined us in Tennant Creek for the eclipse.During our week based in Alice Springs we took a trip down to Henbury Meteorite Craters (about 145km south-west of Alice Springs) and walked around the craters.

Winter Solstice Sunrise at Elizabeth Bay House

June 21, 2013

    This morning, June 21 2013, I was at Elizabeth Bay House overlooking Sydney harbour to see the sun rise. The house is closely aligned to the direction of winter solstice sunrise, but unfortunately today cloud delayed the sun's appearance for half an hour.

Astronomical gathering in Beijing, the IAUXXVII General Assembly

August 29, 2012

Let the astronomy begin! Considered the  'Astronomical Olympics' over 2,000 astronomers from around the globe gathered in Beijing last week for a fortnight exchanging ideas from research results and focussing on new scientific and heritage projects.

February 29th and the long journey to become the leap day

February 28, 2012

Post by Geoffrey Wyatt Calendars are attempts to try to keep track of time by using the cycles of the Sun ad the Moon. The Sun is used via the seasons and its changing position in the sky, for example the equinoxes and solstices.

Transit of Venus preparation, part 1

July 29, 2011

by Stefan Tibar and Herve Meteyer On Sunday, 18th of July 2011, two young fellows from France have come to Sydney to renew the long French-English rivalry about the transit of Venus… Who, between French and British scientists could determine more accurately the distance between the earth and the sun using the observations made during the transit of Venus?