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What did sputnik look like in the sky?
Sputnik was a small, metallic sphere that appeared as a bright point of light moving across the sky. It was about the size of a beach ball and emitted radio signals that could be detected by radio operators on Earth.
How does a concave mirror focus light?
Concave mirrors used to focus light on a point, such as in a solar collector, would be in the shape of either a Hyperbolic or Parabolic section. The reason for the xxxxbolic section is that they both have focal points (foci?). any light coming into the mirror at any angle is reflected to this focal point. Think of using a magnifying glass to burn ants... you need to move the glass higher or lower to the ground until you get that bright dot of concentrated light/heat and then you can burn ants. The small white dot of light/heat is the focal point of you magnifying glass. Hope that helps..
Is ganymede visable by the naked eye?
Yes, Ganymede is visible with the naked eye under optimal conditions. It is the largest moon of Jupiter and can be spotted as a bright point of light near the planet. However, it is easier to see with binoculars or a small telescope.
Does Mercury shine?
Mercury does not shine on its own; instead, it reflects sunlight. As the closest planet to the Sun, it can appear bright in the sky, especially during dawn or dusk. However, its brightness varies depending on its position relative to the Earth and the Sun. Observers can see Mercury as a small, bright point in the sky, but it does not emit light like a star.
What bright streak of light rock that burns up in the earths atmosphere?
A bright streak of light that burns up in the Earth's atmosphere is called a meteor. When a meteoroid—a small rock or particle from space—enters the atmosphere at high speed, it heats up due to friction with the air, creating a luminous trail. This phenomenon is often referred to as a "shooting star," although it is not a star but rather a transient event resulting from the meteoroid's incineration. If the meteoroid survives its passage and lands on Earth, it is then called a meteorite.
A tiny point of light that is very small very far away and very bright is called a?
It could be a star, a galaxy, a quasar.
What is the eye problem called vampire vision?
It is when you are senitive to bright light making your pupils become very small as they absorb too much of the light. The eyes water and burn slightly when in bright light
What do you call a bright streak of light caused by small bodies burning up?
Commonly called a shooting star.
What is a tiny point that is very bright small far away?
a star
You were approached by a small ball of bright white light what can it be?
A visible psi ballA spiritA light bulb
What is a small light source called?
A small light source is called a flashlight or a torch.
Why are the eyes of insects sensitive to bright light?
because they have very very small eyes
What is the small light of the moon called?
if you mean the small shadow, its the penumbra
What is very small collection of light called?
You can not collect light.
Why after you stare at a bright light afterward you see small flash lights?
Staring at a bright light can overstimulate the photoreceptor cells in your eyes, causing them to become temporarily desensitized. This can result in the perception of small patches of light or "afterimages" when you look away from the bright light.
What is a small light boat called?
Kayak
What did sputnik look like in the sky?
Sputnik was a small, metallic sphere that appeared as a bright point of light moving across the sky. It was about the size of a beach ball and emitted radio signals that could be detected by radio operators on Earth.
