Unlike solar eclipses, lunar eclipses are safe to watch with the naked eye.
Maybe you can see the Great Wall clearly from space with binoculars but not with the naked eye.
So small is the diameter of the tube that it is hard to see it with the naked eye.
The world seen with the naked eye is often not the real world: the world seen with the soul, though not complete, is mostly real.
Urban light pollution means that one-fifth of the world's population can no longer see the Milky Way with the naked eye.
These instructions, defense artificially added chemicals in food, some harmful substance is but with the naked eye or simple method of inspection.
Venus can be seen with the naked eye.
A Microscope will reveal much that cannot be seen with the naked eye.
they are highly visible during daytime and nighttime environments both with the naked eye and with image intensification devices.
Some star clusters can beseen with the naked eye, such as the famous Pleiades cluster in theconstellation Taurus.
In the days of the gods, no earthly mortal shall touch him, and no fetus shall gaze at him with the naked eye.
Phytoplankton might be too small to see with the naked eye, but they are the foundations of the ocean food chain, ultimately capturing the energy that sustains the seas' great beasts such as whales.
Let us first survey what we see in the sky with the naked eye.
Therefore, he compiled another fable to warn the Confucian scholars that it is impossible to appreciate my articles only with the naked eye and the naked ear.
Visitors grabbed their darkened glasses in anticipation, following reminders that viewing with the naked eye could damage their eyesight.
The Leonid meteor shower happens every year in mid-November and it is very easy to observed with the naked eye.
You can see it with the naked eye.
The result seemed fine when viewed with the naked eye, but under the microscope the resolution and contras were poor.
By linking the electrical currents of two superconductors large enough to be seen with the naked eye, researchers have extended the domain of observable quantum effects.
Bacteria are too small to see with the naked eye.
One is: The Great Wall of China is the only man-made object visible from space with the naked eye.
From end to end, the Milky Way's starry disk, observable with the naked eye and through optical telescopes, spans 120, 000 light-years.
Clouds are piling up on the horizon with the naked eye, heavy with the vapor they carry.
What you can't see with the naked eye is that the lining of the stomach (the mucosa) is interrupted by multiple tiny openings, each of which leads to a tiny hormone-producing tunnel.
Epsilon Eridani is located about 10 light-years away in the constellation Eridanus and is visible in the night skies with the naked eye.
Far Infrared Rays (FIR), a part of natural sunlight having the longest wavelength, cannot be seen with the naked eye.
This is the largest and brightest star in Orion. Although it is far away, it can be seen with the naked eye on Earth.
Its movement - an inch every minute - could be seen with the naked eye.
Scientists said the eclipse could be safely observed with the naked eye.
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