🔍 Tìm kiếm từ vựng
antimatter
Noun
phản vật chất, vật chất phản
(physics) matter consisting of elementary particles that are the antiparticles of those of regular matter
"Antimatter propulsion is a theoretical concept that could potentially enable spacecraft to travel at near-light speeds in the future."
mass
Noun
khối lượng, lượng vật chất
(physics) the property of matter that gives it weight in a gravitational field and is a measure of its inertia
"In special relativity , mass is considered to be equivalent to energy , as described by Einstein 's famous equation , E = mc^2 , where E is energy , m is mass , and c is the speed of light in a vacuum ."
quantum
Noun
lượng tử, lượng nhỏ nhất không thể chia nhỏ hơn
the smallest possible amount of a particular quantity that cannot be divided any further
"Quantum electrodynamics is a quantum field theory that describes the interactions between electromagnetic fields and charged particles, such as electrons and photons."
acceleration
Noun
gia tốc, sự tăng tốc
(physics) the increase in velocity over time
"Faster acceleration means quicker velocity change ."
inertia
Noun
quán tính, xu hướng của một vật thể chống lại sự thay đổi trạng thái chuyển động của nó
the tendency of an object to resist changes in its state of motion, whether at rest or in uniform motion, and to remain in its current state unless acted upon by an external force
"When a bus comes to a sudden stop , passengers may lean forward due to their inertia, continuing their forward motion momentarily ."
oscillation
Noun
dao động
(physics) the back-and-forth motion of an object between two end points
"Gravitationally bound binary star systems undergo regular orbital oscillations as the pair revolve around their mutual center of mass ."
uncertainty principle
Noun
nguyên lý bất định, nguyên lý không chắc chắn
a theory stating that the exact position and momentum of a particle cannot be measured precisely at the same time
"Knowing both properties precisely is impossible according to the uncertainty principle."
space-time
Noun
không-thời gian, liên tục không-thời gian
the theory that adds the notion of time to that of a three-dimensional space
"The study of space-time helps cosmologists understand the large-scale structure and evolution of the universe ."
nuclear fission
Noun
phân hạch hạt nhân, sự phân chia hạt nhân
the process or action of splitting a nucleus into two or more parts resulting in the release of a significant amount of energy
"Nuclear fission is also used in nuclear medicine for diagnostic imaging and cancer treatment through techniques such as radiotherapy ."
electromagnetic
Adjective
điện từ, liên quan đến trường điện từ
referring to the combined interaction of electric and magnetic fields, often associated with waves or radiation
"Electromagnetic induction occurs when a changing magnetic field induces an electric current in a conductor ."
nuclear fusion
Noun
phản ứng tổng hợp hạt nhân
(physics) the reaction in which two nuclei join together and produce energy
"The most promising approach to achieving nuclear fusion on Earth involves heating hydrogen isotopes to extremely high temperatures and confining them in a magnetic field in devices called tokamaks ."
plasticity
Noun
tính dẻo, khả năng uốn nắn
the capability of being easily changed or molded into many different things
"Researchers investigate the plasticity of biological tissues to develop better models for understanding the biomechanics of the human body ."
quasar
Noun
chuẩn tinh, vật thể giống sao
a highly energetic celestial object emitting powerful radiation from the center of a galaxy, often associated with a supermassive black hole
"Researchers study the variability of quasar brightness to gain insights into their dynamics ."
corona
Noun
nhật hoa, lớp khí quyển ngoài của Mặt Trời
the outer layer of the Sun's atmosphere, observable as a plasma halo during a solar eclipse
"The corona's magnetic fields contribute to the formation of solar prominences and eruptions ."
parallax
Noun
thị sai, sự dịch chuyển biểu kiến
the apparent displacement or difference in the apparent position of an object when viewed along two different lines of sight, often used in astronomy to measure the distance of nearby stars
"Astronomers use the parallax method to estimate the distances to nearby galaxies , enhancing our understanding of the vastness of the universe ."
astronomical unit
Noun
đơn vị thiên văn, AU
a unit of measurement equal to the average distance between the Earth and the Sun, approximately 149.6 million kilometers
"An astronomical unit the average distance from Earth to the Sun ."
parsec
Noun
parsec, đơn vị khoảng cách thiên văn tương đương với khoảng 3
a unit of astronomical distance equivalent to about 3.26 light-years
"Parsec provides a convenient scale for discussing interstellar and intergalactic distances."
cosmic ray
Noun
tia vũ trụ, hạt vũ trụ
a high-energy particle, mainly originating from outside the Solar System, that travels through space at nearly the speed of light
"Astronomers study cosmic rays to understand the processes in distant regions of the universe ."
cosmic microwave background
Noun
bức xạ nền vi ba vũ trụ, bức xạ tàn dư từ Vụ Nổ Lớn
(cosmology) the faint glow of radiation spreading through the universe, believed to be residual radiation from the Big Bang
"Studying fluctuations in CMB reveals insights into cosmic structure formation."
nebular hypothesis
Noun
giả thuyết tinh vân, lý thuyết tinh vân
(cosmology) a theory proposing that the solar system formed from a rotating nebula of gas and dust about 4.6 billion years ago
"The nebular hypothesis is one of the leading theories of solar system formation ."
Hubble constant
Noun
hằng số Hubble, tham số Hubble
(cosmology) a measure of the rate at which the universe is expanding, determined from the observation of distant galaxies' recession velocities
"Precise measurements of the Hubble constant are crucial for cosmological models ."
interstellar medium
Noun
môi trường liên sao, vật chất liên sao
the matter and radiation that exists in the space between stars within a galaxy
"Astronomers study the interstellar medium to understand cosmic evolution ."
inflation
Noun
lạm phát, mở rộng nhanh chóng
(cosmology) the rapid expansion of the universe following the Big Bang
"Understanding inflation is crucial for comprehending the universe 's evolution ."
magnetic storm
Noun
bão từ, cơn bão từ tính
a disruption in earth's magnetic field caused by solar activity, resulting in variations that can impact electronic systems and communications on earth
"Scientists monitor magnetic storms closely to better understand their effects on Earth 's technology and to develop strategies for mitigating potential disruptions ."
aurora australis
Noun
cực quang phương nam, ánh sáng phương nam
the colored lights, mainly green and red, in the sky seen primarily near the southern magnetic pole
"The aurora australis is a stunning phenomenon that has inspired artists , scientists , and adventurers throughout history , offering a glimpse of the Earth 's connection to the wider cosmos ."
aurora borealis
Noun
cực quang, ánh sáng phương bắc
the colored lights, mainly green and red, in the sky seen primarily near the northern magnetic pole
"The aurora borealis has captivated people for centuries and continues to be a source of wonder and inspiration for astronomers , photographers , and travelers alike ."
extragalactic astronomy
Noun
thiên văn học ngoài thiên hà, nghiên cứu các thiên thể bên ngoài Dải Ngân Hà
study of celestial objects outside the Milky Way galaxy
"Extragalactic astronomy sheds light on cosmic evolution ."
nebular
Adjective
tinh vân, liên quan đến tinh vân
relating to or resembling a nebula, which is a cloud of gas and dust in outer space
"Nebular hypotheses propose various mechanisms for the formation of planetary systems."
sidereal
Adjective
thuộc sao, liên quan đến các vì sao
relating to the stars or constellations, especially in terms of their positions relative to Earth
"Sidereal charts plot the positions of celestial objects against the background of distant stars ."
algorithm
Noun
thuật toán
a finite sequence of well-defined, mathematical instructions for completing a specific task or solving a problem
"The Fast Fourier Transform ( FFT ) algorithm efficiently computes the discrete Fourier transform of a sequence or its inverse ."