A polar ice cap is that region at either poles of a planet or natural satellite that is permanently covered in ice. It is different from an ice cap in that there are no specifications on the size or composition of a body of ice for it to be considered a polar ice cap. Whereas […]
The Poynting-Robertson effect is the radiation pressure produced by the Sun’s rays striking the small particles orbiting it, causing them to slow down and spiral towards the gigantic ball of fire. More specifically, this refers to the Sun’s radiation and gravity working together to form an interstellar giant vacuum that sucks in tons and tons
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The Sun’s radiation emits tons and tons of energy. This energy is used up by living things to sustain life and survive. The Sun’s radiation is continuously being utilized as green and clean technology to supply electricity in remote areas and to save the environment by minimizing the production of greenhouse gases. With the Sun’s
From the name, a reflection nebula is an interstellar cloud of dust particles that reflect light from a nearby star. This means that as opposed to an emission nebula that gives off various colors, a reflection nebula is unable to give off its own light, but has to rely solely on the light given off
The Sun, Moon, stars and other celestial objects are beyond the reach of any instrument that can be used by observers here on Earth. Measuring the distance of a celestial object from the Earth might seem to be complicated. But measuring the distance of these remote entities have been simplified by the concept of parallax.
Polycyclic Aromatic Hydrocarbons (PAHs) are probably one of the most complicated names in chemistry. But despite the difficulty encountered with this term, these PAHs are common in our daily experience and are present as pollutants produced by the burning of fuels like oil and coal. In addition, PAHs can be found in our closets in
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Astronomical objects are very far and located in space that may be way beyond our imagination. We can only view stars from afar and often think about how far they really are from Earth. Despite the lack of possibilities of measuring these astronomical bodies up-close, astronomers and astrophysicists have devised a way to determine how
Comets are spectacular sights in the night sky. Despite their burning appearance, comets are actually made of ice, small rock particles, and dust. But comets, unlike meteors, are rarely seen in the night sky. Comets have different orbital periods, which can range from several years to hundreds of thousand years. Comets are classified according to
The night sky is illuminated by billions and billions of stars found in the Milky Way galaxy. Other celestial objects become very brilliant because of the presence of the Sun, which allows celestial bodies like the Moon look very bright in the dark skies. Light is our only guide to seeing the stunning brilliance of
The sky is constantly illuminated by stars and other bright astronomical objects. Without the light emitted by the stars, particularly by the Sun, our world will become pitch dark and our visions will be impaired. With these celestial bodies continuously emitting electromagnetic radiation, we can see the world in a more vivid perspective. Astronomers use
