The term Goldilocks Zone is often seen in the news in the context of

search for the Earth-like planets in outer space. The official UPSC key is (c). The term "Goldilocks Zone" is often in the news in the context of the search for Earth-like planets in outer space. NASA defines the habitable zone as the distance from a star at which liquid water could exist on a planet's surface. Read more: SciTech0163 — Goldilocks Zone: Where Earth-Like Planets Might Exist.

How does NASA define the habitable zone around a star?

The distance from a star at which liquid water could exist on a planet's surface. NASA defines the habitable zone as the distance from a star at which liquid water could exist on orbiting planets' surfaces. Read more: SciTech0163 — Goldilocks Zone: Where Earth-Like Planets Might Exist.

At about what distance from the Sun does Venus orbit?

0.72 AU. Venus orbits the Sun at about 0.72 AU. That is inside the inner edge of the Sun's habitable zone. Read more: SciTech0163 — Goldilocks Zone: Where Earth-Like Planets Might Exist.

Which NASA mission found that solar wind and radiation stripped most of the Martian atmosphere?

MAVEN. NASA's MAVEN mission found that solar wind and radiation are responsible for stripping the Martian atmosphere. Most of the gas ever present has been lost to space. Read more: SciTech0163 — Goldilocks Zone: Where Earth-Like Planets Might Exist.

Which instrument was used to find Proxima b in 2016?

The HARPS spectrograph at La Silla, Chile. Proxima b was found with the HARPS spectrograph on the ESO 3.6 m telescope at La Silla in Chile. It is the closest known exoplanet, about 4 light-years away. Read more: SciTech0163 — Goldilocks Zone: Where Earth-Like Planets Might Exist.

According to NASA, which TRAPPIST-1 planets lie in the star's habitable zone?

e, f and g. NASA says planets e, f and g of TRAPPIST-1 lie in the habitable zone. Planet h is too far away to be in it. Read more: SciTech0163 — Goldilocks Zone: Where Earth-Like Planets Might Exist.

What likely keeps the ocean of Jupiter's moon Europa liquid, far from the Sun?

Heat from tidal flexing. Tidal flexing likely makes enough heat to keep Europa's ocean liquid. Europa lies far from the Sun, so its surface is frozen. Read more: SciTech0163 — Goldilocks Zone: Where Earth-Like Planets Might Exist.

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Which spectrograph at the Mount Abu 1.2 m telescope is run by India’s Physical Research Laboratory for exoplanet work?

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Which spectrograph at the Mount Abu 1.2 m telescope is run by India’s Physical Research Laboratory for exoplanet work?

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