An H II region or HII region is a region of interstellar atomic hydrogen that is ionized. It is typically in a molecular cloud of partially ionized gas...
35 KB (4,404 words) - 16:45, 13 October 2024
The H-II (H2) rocket was a Japanese satellite launch system, which flew seven times between 1994 and 1999, with five successes. It was developed by NASDA...
11 KB (786 words) - 15:34, 9 September 2024
The Horten H.II Habicht (Hawk) was a German flying wing glider built in Germany in 1935. Four, including one flown mostly as a motorglider, were built...
11 KB (1,314 words) - 08:58, 9 January 2024
the first H-IIA launched after this privatization. The H-IIA is a derivative of the earlier H-II rocket, substantially redesigned to improve reliability...
24 KB (1,003 words) - 10:43, 4 November 2024
The H-II Transfer Vehicle (HTV), also called Kounotori (こうのとり, Kōnotori, "oriental stork" or "white stork"), is an expendable Japanese automated cargo...
27 KB (2,442 words) - 17:30, 26 October 2024
launches made by JAXA using H-II, H-IIA, H-IIB and H3 rockets. 1 2 3 4 5 6 1994 1998 2002 2006 2010 2014 2018 2022 H-II H-IIA H-IIB H3 1 2 3 4 5 6 1994...
47 KB (606 words) - 14:02, 4 November 2024
The Horten H.XVIII (18) was a proposed German World War II intercontinental bomber, designed by the Horten brothers. The unbuilt H.XVIII represented,...
9 KB (792 words) - 00:31, 2 October 2024
Ed White (astronaut) (redirect from Edward H. White, II)
Career Academy in Chicago Edward H. White Middle School in White's hometown of San Antonio, Texas Edward H. White II Elementary School in El Lago, Texas...
59 KB (5,825 words) - 00:17, 2 October 2024
surrounding the massive stars is known as an H II region while the shells of neutral hydrogen surrounding the H II region are known as photodissociation region...
21 KB (2,865 words) - 04:12, 6 November 2024
(H is the chemical symbol for hydrogen, and "I" is the Roman numeral. It is customary in astronomy to use the Roman numeral I for neutral atoms, II for...
4 KB (474 words) - 03:49, 16 May 2024
Balmer series (redirect from H-beta)
of emission or ionisation nebula, like the Orion Nebula, which are often H II regions found in star forming regions. In true-colour pictures, these nebula...
12 KB (1,326 words) - 12:41, 2 October 2024
spectra. They are usually observed in the spiral arms of galaxies and in H II regions, but not in elliptical galaxies; those are generally composed of...
49 KB (4,792 words) - 00:40, 25 August 2024
( h i i {\displaystyle h_{ii}} ): D i = e i 2 p s 2 [ h i i ( 1 − h i i ) 2 ] . {\displaystyle D_{i}={\frac {e_{i}^{2}}{ps^{2}}}\left[{\frac {h_{ii...
22 KB (3,639 words) - 07:37, 12 August 2024
Josephine. USS Josephine H. II (SP-245) was a United States Navy patrol vessel in commission from 1917 to 1918. Josephine H. II was built as a civilian...
3 KB (208 words) - 17:39, 26 April 2023
C.H.U.D. II: Bud the C.H.U.D. is a 1989 zombie comedy film, directed by David Irving, written by M. Kane Jeeves and stars Brian Robbins, Tricia Leigh Fisher...
7 KB (676 words) - 04:57, 9 September 2024
that [ H 2 ] i i = [ H ] i i {\displaystyle \left[\mathbf {H} ^{2}\right]_{ii}=\left[\mathbf {H} \right]_{ii}} , we have h i i = h i i 2 + ∑ j ≠ i h i j...
14 KB (2,157 words) - 04:53, 29 October 2024
Orrin H. Ingram II (born July 5, 1960) is an American heir, businessman, philanthropist and polo player. He is the chief executive officer (CEO) of Ingram...
10 KB (741 words) - 12:23, 14 October 2024
prefix h, meaning 100 times. H with diacritics: Ĥ ĥ Ȟ ȟ Ħ ħ Ḩ ḩ Ⱨ ⱨ ẖ ẖ Ḥ ḥ Ḣ ḣ Ḧ ḧ Ḫ ḫ ꞕ Ꜧ ꜧ IPA-specific symbols related to H: ʜ ɦ ʰ ʱ ɥ ᶣ ɧ Superscript...
26 KB (2,581 words) - 19:43, 25 October 2024
Stellar population (redirect from Population II)
A.E.; et al. (2003). "Massive star formation in a gravitationally lensed H II galaxy at z = 3.357". Astrophysical Journal. 596 (1): 797–809. arXiv:astro-ph/0307162...
35 KB (3,549 words) - 04:51, 20 October 2024
KG PC KC FRS (12 September 1852 – 15 February 1928), generally known as H. H. Asquith, was a British statesman and liberal politician who was Prime Minister...
243 KB (31,224 words) - 23:18, 6 November 2024
John Hollis Bankhead II (July 8, 1872 – June 12, 1946) was a U.S. senator from the state of Alabama. Like his father, John H. Bankhead, he was elected...
7 KB (605 words) - 11:00, 29 October 2023
Andromeda Galaxy. M101 has a high population of H II regions, many of which are very large and bright. H II regions usually accompany the enormous clouds...
19 KB (1,838 words) - 14:46, 5 July 2024
Tarantula Nebula (category H II regions)
The Tarantula Nebula (also known as 30 Doradus) is a large H II region in the Large Magellanic Cloud (LMC), forming its south-east corner (from Earth's...
14 KB (1,290 words) - 16:55, 22 June 2024
Jack Heinz (redirect from H J Heinz II)
Henry John Heinz II (July 10, 1908 – February 23, 1987) was an American business executive and CEO of the H. J. Heinz Company based in Pittsburgh, Pennsylvania...
9 KB (963 words) - 04:34, 15 August 2024
It was used to launch the H-II Transfer Vehicle (HTV, or Kōnotori) cargo spacecraft for the International Space Station. The H-IIB was a liquid-fueled rocket...
15 KB (1,202 words) - 22:56, 8 September 2024
Herbig–Haro object (redirect from H-H Objects)
9,000–12,000 K, similar to those found in other ionized nebulae such as H II regions and planetary nebulae. Densities, on the other hand, are higher than...
36 KB (4,004 words) - 16:10, 8 November 2024
Transcription factor II H (TFIIH) is an important protein complex, having roles in transcription of various protein-coding genes and DNA nucleotide excision...
11 KB (1,253 words) - 04:38, 28 October 2024
K'ung3 Hsiang2-hsi1; 11 September 1880 – 16 August 1967), often known as Dr. H. H. Kung, also known as Dr. Chauncey Kung, was a Chinese banker and politician...
28 KB (3,002 words) - 22:40, 1 September 2024
launch vehicle developed domestically in Japan was the H-II, introduced in 1994. NASDA developed the H-II with two goals in mind: to be able to launch satellites...
68 KB (7,582 words) - 20:07, 23 October 2024