Skip main navigation

What is the ‘Universe’?

What does ‘the Universe’ mean? If you take note of how we type “Universe”, it starts with a capital letter “U”. Every time we say “Universe”, we are referring to …

Hubble’s Law

In 1925, American astronomer Edwin Hubble showed that the galaxies’ speed has a positive relationship with their distances from Earth. This relationship is called Hubble’s Law, and it served as …

Ancient and Modern Astronomy

Astronomy is actually one of the oldest natural sciences (i.e., science that focuses on the physical world) that ever existed. Just like any other sciences, its conception arose from human …

Direct Detection of Gravitational Waves

One of the current problems that scientists aim to solve is the detection of primordial gravitational waves, which is a crucial ingredient in producing the CMB B-mode polarization. Einstein’s General …

Meet the Team

Meet the Team The course is led by Professor Tomo Goto, a Professor at the Institute of Astronomy, National Tsing Hua University in Taiwan. He received his Ph.D from the …

Prof. Andrei Linde’s Celebration of Inflation

Prof. Andrei Linde was one of the pioneering physicists that realized inflation. He and Alan Guth received the Gruber Prize in Cosmology for their development of the inflationary Universe theory. …

Inflation as Explained by Alan Guth

Alan Guth, as mentioned by Prof. Goto in the previous video about inflation, was one of the men behind the realization of inflationary Universe theory. Many other physicists like him …

Cosmic Inflation and CMB

The inflationary Universe theory predicts various phenomena, such as the almost flat geometry of the Universe and the production of gravitational waves during the sudden expansion of the Universe that …

What is the Inflationary Universe Theory?

The inflationary Universe theory purports that the Universe underwent a short and sudden episode of great expansion right after the Big Bang. This phenomenon is called inflation and is believed …

Energy Conservation in an Expanding Universe

The principle of energy conservation states that energy can neither be created nor destroyed, it can only change from one type to another. The question about energy conservation in an …

How Far can the Hubble Space Telescope See?

We mentioned earlier about Galileo Galilei’s discovery of the Galilean moons of Jupiter thanks to his written works about his observations with his telescope. His discovery became a strong proof …

What is the Future of Astronomy?

There are still more things to discover in the field of astronomy. It is a growing science which will continue to produce discoveries in the coming decades, thanks to the …

More about Dark Energy

Just like dark matter, dark energy is there, but we can’t see it. What is it exactly? Prof. Goto will discuss more about dark energy. This video will supplement the …