UV spectroscopy of the hot bare stellar core H1504+65 with the HST Cosmic Origins Spectrograph

2011 in science

The year 2011 involved many significant scientific events, including the first artificial organ transplant, the launch of China's first space station and the growth of…

15 نوفمبر

15 نوفمبر هو اليوم ال319 (ال320 فى السنة الكبيسة) من ايام السنة فى التقويم الجريجورى.

27 يناير

27 يناير هو اليوم ال27 من ايام السنة فى التقويم الجريجورى. و فيه بعده 338 (339 فى السنة الكبيسة) يوم لحد نهاية السنة.

2011

The year marked the start of a series of protests and revolutions throughout the Arab world advocating for democracy, reform, and economic recovery, later leading to the…

January 27

* 98 – Trajan succeeds his adoptive father Nerva as Roman emperor; under his rule the Roman Empire will reach its maximum extent.

Список зоряних крайнощів

H1504+65

Petite Ourse

Souhvězdí Malého medvěda

H1504+65

Listes de naines blanches

List of white dwarfs

This is a list of exceptional white dwarfs.

Ursa Minor

Ursa Minor (Latin: "Smaller She-Bear", contrasting with Ursa Major), also known as the Little Bear, is a constellation in the northern sky.

H1504+65

H1504+65 is an enigmatic peculiar star in the constellation Ursa Minor. With a surface temperature of 200,000 K and an atmosphere composed of carbon, oxygen and 2% neon…