Winners of the DAS Astrophotography Contest

with No Comments
In mid-May the Denver Astronomical Society announced it was hosting an astrophotography contest open to all of its members. Over the next two months, members snapped away at the heavens, and submitted their best shots for consideration. Continue reading.

Astro Update – August

with No Comments

Astronomy and space news summarized by Don Lynn from NASA and other sources

Mass Gap Breached – The largest known neutron star is about 2.2 times the mass of the Sun, which aligns with theoretical projections that predict a neutron star should collapse into a black hole at about this mass.… Continue reading.

DAS Donates Telescope to Dark Sky Community Library

with No Comments

By Dena McClung

The Denver Astronomical Society donated a new telescope to the West Custer County Library in Westcliffe, Colorado for the public to use.

After finding out the library had no telescope to loan, the DAS Executive Board voted several months ago to purchase and deliver a good quality, beginner telescope to the library.… Continue reading.

Astro Update – July

with No Comments

Astronomy and space news summarized by Don Lynn from NASA and other sources

Relativity Test – One of the principles of Einstein’s theory of general relativity is that all different objects will fall at the same rate of acceleration at any given strength of gravity.… Continue reading.

Astro Update – June

with No Comments

Astronomy and space news summarized by Don Lynn from NASA and other sources

General Relativity – While Newton’s formula for gravity yields elliptical shapes for orbits, Einstein’s theory of general relativity dictates that orbiting bodies follow an ellipse that moves. Each time around an orbit, the perihelion of the ellipse advances a little bit, rotating about the main mass.… Continue reading.

Astro Update – May

with No Comments

Astronomy and space news summarized by Don Lynn from NASA and other sources

Earth-like Planet Found – An exoplanet has been found that is the closest yet to being the size and temperature of Earth. It was found by NASA scientists in archived Kepler data, and has been dubbed Kepler-1649c.… Continue reading.

Astro Update – April

with No Comments

Astronomy and space news summarized by Don Lynn from NASA and other sources

Betelgeuse – As reported here over the last two months, the star Betelgeuse dimmed to its lowest recorded level in early February. New observations made in late February showed it creeping back up in brightness.… Continue reading.

Astro Update – March

with No Comments

Astronomy and space news summarized by Don Lynn from NASA and other sources

New Target For Lucy – The Trojan asteroids are found in two groups along Jupiter’s orbit, one group at a 60 degree angle ahead of the giant planet, and the other 60 degrees behind.… Continue reading.

Astro Update – February

with No Comments

Astronomy and space news summarized by Don Lynn from NASA and other sources

Betelgeuse, although long known to vary somewhat in brightness, is the dimmest it’s been in at least a century. Before these recent variations, it had been brighter than Rigel at its peak, but recently dimmed to the level of Bellatrix, dimmer than first magnitude.… Continue reading.

Astro Update – January

with No Comments

Astronomy and space news summarized by Don Lynn from NASA and other sources

Milky Way Disk – Astronomers have known for more than 20 years that the disk of our Milky Way galaxy consists of two distinct populations of stars, differing in age and composition with the “Thin Disk” embedded within the “Thick Disk.”… Continue reading.

1 8 9 10 11 12 13 14