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LH 2 / LOX. [ edit on Wikidata] Delta IV was a group of five expendable launch systems in the Delta rocket family. It flew 45 missions from 2002 to 2024. Originally designed by Boeing 's Defense, Space and Security division for the Evolved Expendable Launch Vehicle (EELV) program, the Delta IV became a United Launch Alliance (ULA) product in ...
Specific impulse. 465.5 s (4.565 km/s) Burn time. 1125 seconds. Propellant. LH 2 / LOX. [ edit on Wikidata] The Delta IV Heavy ( Delta 9250H) was an expendable heavy-lift launch vehicle, the largest type of the Delta IV family. It was the world's third highest-capacity launch vehicle in operation at the time of its retirement in 2024, behind ...
Sabine Karin Doris Hossenfelder (born 18 September 1976) is a German theoretical physicist, philosopher of science, author, science communicator, YouTuber, musician, and singer. She is the author of Lost in Math: How Beauty Leads Physics Astray, which explores the concept of elegance in fundamental physics and cosmology, and of Existential ...
With the AI “gold rush” luring investors into stocks like it’s 1995 (or even 1999), the Securities and Exchange Commission (SEC) is cracking down on AI pretenders. Chairman Gary Gensler just ...
Ken Holtzman, MLB's winningest Jewish pitcher who threw two no-hitters for the Chicago Cubs and helped the Oakland Athletics win three straight World Series championships in the 1970s, has died ...
The 5,600-year-old flint dagger was linked to a Neolithic community known as the Lublin-Volhynia culture, officials said. This community thrived in modern-day southeastern Poland between 4100 B.C ...
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Katherine Roberts Maher ( / mɑːr /; [1] born April 18, 1983) [2] is an American businesswoman. She is the chief executive officer (CEO) and president of National Public Radio (NPR) since March 2024. [3] Prior to NPR, she was the CEO of Web Summit and chair of the board of directors at the Signal Foundation.