Sentences with phrase «nova sciencenow»
The breakthrough was being able to reconcile the 580 - year - old Korean recording of this event to the dwarf nova and nova shell that we see in the sky today.»
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This series of photographic plates spanning six weeks in 1942 shows the old nova of 1437 A.D. undergoing a dwarf nova eruption.
«This is the first nova that's ever been recovered with certainty based on the Chinese, Korean, and Japanese records of almost 2,500 years,» Shara said in a statement.
«People most often associate stellar explosions with ancient stars, like a nova eruption on the surface of a decaying star or the even more spectacular supernova death of an extremely massive star,» Bally says.
The spectra of a nova shows blue - shifted absorption lines showing that a hot dense gas is expanding towards us at a few thousands of kilometers per second.
This is based on the first episode of the NOVA series In Search of Human Origins, where Johanson does make statements that could, for those of a conspiratorial turn of mind, be interpreted as an admission of having doctored the bones.
Dunn, Kyla, NOVA: The Politics of Stem Cell Research (accessed 10/29/2010) http://www.pbs.org/wgbh/nova/body/stem-cells-politics.html
Useful catalogue numbers and designations for this supernova remnant include: Tycho»S SN, Tycho SNR, SN 1572, SNR 021.0 +63.0, SNR 120.1 +01.4, SNR 120.2 +01.4, NOVA Cas 1572, X Cep X-1, B Cas, GRS 120.10 +01.40, and BD +63 39a.
The event was emceed by Ari Daniel, PhD, Senior Digital Producer, NOVA; Senior Producer, Story Collider; and independent science reporter.
From the original description, the team knew they were looking for a nova eruption — an extremely powerful explosion, where a white dwarf is fed by hydrogen from a nearby star.
«The real challenge in understanding the evolution of these systems is that unlike watching the egg transform into the eventual butterfly, which can happen in just a month, the lifecycle of a nova is hundreds of thousands of years.
At other times, the white dwarf may pull just enough material from its companion to briefly ignite in a nova, a far smaller explosion.
Earth Science Airborne Tropical Tropopause Experiment AirMOSS Aqua Aura Aquarius CALIPSO CARVE Center for Earth and Climate Science Education CloudSat DISCOVER - AQ Earth to Sky - Building Climate Literacy for Informal Educators: Expanding the Earth to Sky Partnership (EPOESS NNH09CF00C) Girl Scouts Earth Science Patch Global Precipitation Measurement (GPM) The GLOBE Program GLOBE at Langley GRACE ICESat - 2 Landsat Data Continuity Mission (LDCM) MY NASA DATA NASA Climate Day / Earth Ambassadors NASA Know Your Earth Campaign NOVA Labs Ocean Surface Topography Orbiting Carbon Observatory (OCO)-2 SAGE III on ISS S'COOL: Student Cloud Observations On - Line SMAP Solar Radiation and Climate Experiment (SORCE) Teaching Inquiry using NASA Earth System Science (TINES) Terra
After the nova burst, gas from the regular star begins to build up again on the white dwarf's surface.
A binary system can have repeating nova bursts.
It's 1,000 times brighter than a nova (when a white dwarf erupts) but not as bright as a supernova.
The neutron stars collided into each other to create a type of explosion called a «kilonova» that is a thousand times more energetic than a normal nova.
Her work has appeared in Scientific American, Washington Post, Slate, Politico, Muse Magazine, HealthDay, Scuba Diving Magazine, NOVA, and various Frontline Medical Communications brands.
The spectra are dominated by strong H I lines from the Brackett and Paschen series, Fe II, OI and CI lines in the initial days, typical of an Fe II type nova.
This is perhaps the most extensively observed example of a probable Fe IIb type nova at the infrared wavelengths.
(On April 1, 1997, PBS aired a NOVA television show called «Kidnapped by UFOs?»
These explosions look like new stars and so were called nova or supernova.
No dust emission is seen from the nova ejecta.
Our IR observations show the comparatively broad emission lines, the rapid development of the spectrum to higher ionization, the early appearance of coronal lines, and the absence of dust emission, all features that indicate the hybrid nature of the nova.
Abstract: The eruption of the recurrent nova U Scorpii on 28 January 2010 is now the all - time best observed nova event.
My research concentrates on the study of exploding stars — mainly nova outbursts caused by thermonuclear explosions on the surface of white dwarfs in binary star systems.
This unique and unprecedented coverage is the first time that a nova has any substantial amount of fast photometry.
[3] Joseph Ashbrook suggested in 1953 that it may be a recurrent nova which has been observed only once.
With this, two new phenomena have been discovered: the fast flare... ▽ More The eruption of the recurrent nova U Scorpii on 28 January 2010 is now the all - time best observed nova event.
We report the identification of a new dwarf nova in M13, the 13th dwarf nova identified in a globular cluster to date.
Boslough was among the first western scientists to arrive in Chelyabinsk, where he did field research and accompanied a production crew filming Meteor Strike for NOVA.
This led to the detection of one dwarf nova showing several outbursts.
The detection of one dwarf nova when more could have been expected likely indicates that our knowledge of the global Galactic population of cataclysmic variables is too limited.
T Boötis is believed to have been a nova.
A Chandra X-ray source is coincident with this dwarf nova and shows both a spectrum and variability consistent with that expected from a dwarf nova, thus supporting the identification.
In 1572, Danish astronomer Tycho Brahe noticed something puzzling in the night sky: a bright, new (in Latin, nova) star that faded as quickly as it appeared.
In this clip from «3D Spies of WWII» by PBS's NOVA, historians and pilots relive the early days of surveillance imaging to explain how those stereoscopic images worked and how they were used.
«The length [of the explosion] is too long for a nova.»
David Pogue, who writes Scientific American's monthly TechnoFiles column, hosts NOVA ScienceNow's «What Will the Future Be Like.»
As I found out during research for a recent NOVA episode, it mostly appears that brain - computer interface (BCI) technology has not advanced very far just yet.
The film was produced by NOVA in association with The Hastings Center.
NOVA's «Why The Towers Fell» is an interactive online journey into the impact of 9/11: www.pbs.org/wgbh/nova/wtc.
It was first assumed to be a nova — a white dwarf that pulls gas off a companion until it triggers a thermonuclear explosion on its surface.
I show them segments of the [2007] NOVA documentary [about it].
In the NOVA documentary Jewel of the Earth, David Attenborough reconstructs a 20 - million - year - old Dominican forest ecosystem by examining tiny fauna and flora trapped in the fossilized goo.
Think of a Latin - inflected bossa nova, or a tune from The Beatles» Abbey Road:
«Blame it on the bossa nova: How music changes our perception of touch.»
The PARP inhibitor niraparib significantly improves the outcome of platinum - sensitive recurrent ovarian cancer, according to full data from the ENGOT - OV16 / NOVA trial presented for the first time at the ESMO 2016 Congress in Copenhagen and published in the New England Journal of Medicine (NEJM).
If the creatures inside are to thrive, they need ways to travel between the islands, contends «Wild Ways,» a new documentary from the TV series NOVA.
The ENGOT - OV16 / NOVA trial evaluated the efficacy and safety of the PARP inhibitor niraparib as maintenance therapy in patients with recurrent ovarian cancer who respond to platinum - based chemotherapy.