Which is the second nearest star to the Earth after the Sun? (1) Vega (2) Sirius (3) Proxima Centauri (4) Alpha Centauri

Which is the second nearest star to the Earth after the Sun? (1) Vega (2) Sirius (3) Proxima Centauri (4) Alpha Centauri
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(3) Proxima Centauri Explanation: As the nearest star from our Solar System, Proxima Centauri is a prime candidate for future interstellar travel and space colonization missions. Proxima Centauri is a red dwarf star about 4.24 light-years distant inside the G-cloud in the constellation of Centaurus. It was discovered in 1915 by Robert Innes, the Director of the Union Observatory in South Africa, and is the nearest known star to the Sun, although it is too faint to be seen with the naked eye.
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Last Answer : Ans: (d)

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Description : Spring tides occur when : (1) the moon, the sun and the earth are in the same line (2) the sun is closest to earth (3) the moon is farthest from earth (4) the earth is at right angles with the sun and the moon

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Last Answer : (1) Earth is titled towards the sun in the Northern Hemisphere Explanation: The winter in the Southern Hemisphere occurs when the Northern hemisphere is tilted more toward the Sun. From the perspective of an ... the Earth, the winter Sun has a lower maximum altitude in the sky than the summer Sun.

When does solar eclipse take place? (1) When the sun is between the moon and earth (2) When the earth is between the moon and sun (3) When the moon is between the sun and earth (4) When the moon does not lie on the line joining the sun and earth

Description : When does solar eclipse take place? (1) When the sun is between the moon and earth (2) When the earth is between the moon and sun (3) When the moon is between the sun and earth (4) When the moon does not lie on the line joining the sun and earth

Last Answer : (3) When the moon is between the sun and earth Explanation: A solar eclipse occurs when the moon gets between Earth and the sun, and the moon casts a shadow over Earth. A solar eclipse can ... moon, when the moon passes directly between the sun and Earth and its shadows fall upon Earth's surface.

The tides in the sea are primarily due to – (1) the atmospheric effect of the Earth (2) the gravitational effect of Venus on the Earth (3) the gravitational effect of the Sun on the Earth (4) the gravitational effect of the Moon on the Earth

Description : The tides in the sea are primarily due to – (1) the atmospheric effect of the Earth (2) the gravitational effect of Venus on the Earth (3) the gravitational effect of the Sun on the Earth (4) the gravitational effect of the Moon on the Earth

Last Answer : Explanation: A tide is the periodic rising and falling of Earth's ocean surface caused mainly by the gravitational pull of the Moon acting on the oceans. The height of tides varies somewhat with the phases ... higher because the Sun's tidal force adds to the Moon's. This is called "spring tide".

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Description : Tides in the sea are caused by – (1) effect of Sun (2) effect of Moon (3) eombined effect of Moon and Sun (4) gravitational force of Earth and Sun

Last Answer : (3) eombined effect of Moon and Sun Explanation: Tide-generating forces (TGF) are a result of the gravitational attraction between the earth, the sun, and the moon and the centrifugal force due to the relative motions of the moon around the earth, and the earth around the sun.

Suppose if we measure the time lapse between the two Sunsets by sitting in the beach, from this we can estimate – (1) The distance between the sun and the earth (2) The depth of the ocean (3) The radius of the earth (4) The radius of the sun

Description : Suppose if we measure the time lapse between the two Sunsets by sitting in the beach, from this we can estimate – (1) The distance between the sun and the earth (2) The depth of the ocean (3) The radius of the earth (4) The radius of the sun

Last Answer : (3) The radius of the earth Explanation: A method is described whereby, using primitive equipment anyone can measure the size of the earth to an accuracy of order of magnitude 10% by observing two sunsets in the space of a few seconds.

When the earth is at the maximum distance from the Sun, it is called– (1) Aphelion (2) Perihelion (3) Equinox (4) Sidereal

Description : When the earth is at the maximum distance from the Sun, it is called– (1) Aphelion (2) Perihelion (3) Equinox (4) Sidereal

Last Answer : (1) Aphelion Explanation: Aphelion is the point in the path of a celestial body (as a planet) that is farthest from the sun. Its opposite is Perihelion which is the point on its orbit when the Earth is closest to the sun.

The asteroids revolve round the Sun in between : (1) Earth and Mars (2) Mars and Jupiter (3) Jupiter and Saturn (4) Saturn and Uranus

Description : The asteroids revolve round the Sun in between : (1) Earth and Mars (2) Mars and Jupiter (3) Jupiter and Saturn (4) Saturn and Uranus

Last Answer : (2) Mars and Jupiter Explanation: Asteroids, sometimes called minor planets, are small, rocky fragments left over from the formation of our solar system about 4.6 billion years ago. Most of this ancient space ... 1 km across. The total mass of all the asteroids is less than that of Earth's Moon.

What is the position of the Earth when it is at the greatest distance from the sun? (1) Aphelion (2) Antipode (3) Perihelion (4) Aldiate

Description : What is the position of the Earth when it is at the greatest distance from the sun? (1) Aphelion (2) Antipode (3) Perihelion (4) Aldiate

Last Answer : (1) Aphelion Explanation: The Earth is farthest away from the Sun, at the aphelion point, two weeks after the June Solstice, when the Northern Hemisphere is enjoying warm summer months. ... perihelion, about two weeks after the December Solstice, when it is winter in the Northern Hemisphere.

When does the moon come between the Sun and earth? (1) Lunar eclipse (2) Solar eclipse (3) Sidereal day (4) Full moon day

Description : When does the moon come between the Sun and earth? (1) Lunar eclipse (2) Solar eclipse (3) Sidereal day (4) Full moon day

Last Answer : (2) Solar eclipse Explanation: As seen from the Earth, a solar eclipse occurs when the Moon passes between the Sun and Earth, and the Moon fully or partially blocks the Sun. This can happen only ... is fully obscured by the Moon. In partial and annular eclipses only part of the Sun is obscured.

The light from the Sun reaches the Earth in about— (1) 8 seconds (2) 8 minutes (3) 10 seconds (4) 10 minutes

Description : The light from the Sun reaches the Earth in about— (1) 8 seconds (2) 8 minutes (3) 10 seconds (4) 10 minutes

Last Answer : (2) 8 minutes Explanation: Light travels at 186,000 miles a second at the Earth is 93 million miles to Sun on average. This works out as 8.33 minutes for light from the Sun to reach Earth. ... is filtered through the Earth's atmosphere, and is obvious as daylight when the Sun is above the horizon.

Tides are caused by the gravitational pull of the – (1) Earth on the Moon (2) Earth on the Sun (3) Sun and Moon on the Earth (4) Moon on the Earth

Description : Tides are caused by the gravitational pull of the – (1) Earth on the Moon (2) Earth on the Sun (3) Sun and Moon on the Earth (4) Moon on the Earth

Last Answer : (3) Sun and Moon on the Earth Explanation: Tide-generating forces (TGF) are a result of the gravitational attraction between the earth, the sun, and the moon and the centrifugal force ... 's surface creates a horizontal force directed towards the surface points closest and farthest from the moon.

What type of star alpha?

Description : What type of star alpha?

Last Answer : There is no "star alpha". Alpha is PART of the name of manystars - basically one for each constellation.

This in-between phase of stellar nurseries and star formation in stellar evolution is when the gathered dust is still condensing to form a star. A. Alpha Stage B. Stellar Genesis C. Protostar (Answer) D. Star of Adam

Description : This in-between phase of stellar nurseries and star formation in stellar evolution is when the gathered dust is still condensing to form a star. A. Alpha Stage B. Stellar Genesis C. Protostar (Answer) D. Star of Adam

Last Answer : C. Protostar (Answer)

Which is the brightest star seen from the earth except the sun ?

Description : Which is the brightest star seen from the earth except the sun ?

Last Answer : The brightest star seen from Earth except the Sun is: Sirius.

The pole star does not seem to move because (a) it is in line with the earth’s axis of rotation (b) it moves around the sun and not the earth (c) its movement can be seen only during a solar eclipse (d) it rotates very rapidly

Description : The pole star does not seem to move because (a) it is in line with the earth’s axis of rotation (b) it moves around the sun and not the earth (c) its movement can be seen only during a solar eclipse (d) it rotates very rapidly

Last Answer : Ans:(a)

What is the nearest star to Earth?

Description : What is the nearest star to Earth?

Last Answer : The nearest stars to the Earth are in the Alpha Centauri triple-star system. It is about 4.37 light-years away. One of these stars Proxima Centauri is slightly closer, at 4.24 light-years. Of ... and beautiful to study. They are just more than twinkles in the sky the we adore every night.

which star is nearest to the earth

Description : which star is nearest to the earth

Last Answer : Proxima Centauri

I am the nearest star to the earth.

Description : I am the nearest star to the earth.

Last Answer : The sun.

Which star is nearest to earth

Description : Which star is nearest to earth

Last Answer : Sun

Is "Sirius Radio" any good?

Description : Is "Sirius Radio" any good?

Last Answer : It’s not good enough for me to have heard much about it. I’ve only known people who use XM radio. I think satellite radio in general is falling out of popularity in favor of downloaded portable media.