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TRAPPIST-1

NASA app lets you click selfies with galaxies

The Selfies app and Exoplanet Excursions virtual reality app also provides information about the science behind these stunning images. 

Aug 23, 2018, 14:03 PM IST

TRAPPIST-1 planets could hold 250 times more water than the oceans on Earth

The form that water would take on TRAPPIST-1 planets would depend on the amount of heat they receive from their star, which is a mere nine percent as massive as our Sun. 

Feb 06, 2018, 18:08 PM IST

There are two planets that can support human life, say scientists

The planets studied are referred to by letter, planets b through h, in order of their distance from the star.

Jan 24, 2018, 17:51 PM IST

TRAPPIST-1 planets may still have water, finds Hubble

To estimate whether there might be water on the seven earth-sized planets orbiting TRAPPIST-1, the astronomers used observations from the Hubble Space Telescope – a project of international cooperation between European Space Agency and NASA.

Sep 02, 2017, 16:39 PM IST

The host star of seven exoplanets, TRAPPIST-1 is older than our own solar system!

It is unclear what this older age means for the planets' habitability.

Aug 12, 2017, 18:46 PM IST

TRAPPIST 2.0? Scientists discover four Earth-sized planets orbiting Sun-like star

They were detected by observing the wobbles in the movement of tau Ceti.

Aug 09, 2017, 19:55 PM IST

NASA's Kepler telescope reveals orbital details of TRAPPIST-1 system's outermost and least understood planet

Astronomers studying NASA's Kepler Space Telescope identified a regular pattern in the orbits of the planets in the TRAPPIST-1 system, confirming suspected details about the orbit of its outermost and least understood planet, TRAPPIST-1h.

May 23, 2017, 12:42 PM IST

What's new on TRAPPIST-1 system? Life forms from one planet can spread to others in just 10 years

Triggering a new research into this path-breaking finding of TRAPPIST-1 planets, researchers led by Sebastiaan Krijt, a postdoctoral scholar at the University of Chicago, analysed whether life forms from one planet can seed life in other planets, owing to their closeness.

May 01, 2017, 17:08 PM IST

Transiting exoplanets cause their ultra-cool host – TRAPPIST-1 – to change its brightness!

Kepler has managed to detect a change in brightness when a planet passes in front of a star from the vantage point of the telescope.

Mar 12, 2017, 22:09 PM IST

Exoplanets discovery: NASA's Kepler provides more information about TRAPPIST-1

Scientists believe the release of the raw, uncalibrated data collected will aid astronomers in preparing proposals due this month to use telescopes on Earth next winter to further investigate TRAPPIST-1.

Mar 09, 2017, 11:30 AM IST

Exoplanets with volcanic hydrogen may harbour extraterrestrial life, say scientists!

The idea that hydrogen can warm a planet is not new, but an Earth-like planet cannot hold onto its hydrogen for more than a few million years. 

Feb 28, 2017, 20:16 PM IST

NASA's exoplanets discovery: Finding 'Earth 2.0' closer to reality

The first known system of seven Earth-sized planets around a single star was made using the US space agency NASA's Spitzer Space Telescope.

Feb 23, 2017, 14:43 PM IST

TRAPPIST-1: Six incredible facts about the host star of the newly discovered seven exoplanets!

 The star hosting the seven exoplanets isn't being talked about much, but holds equal importance since it is the body the new planets are orbiting.

Feb 23, 2017, 10:27 AM IST

Here's why NASA's big discovery of 7 exoplanets is a 'holy grail' for astronomers

Fascinatingly, at least three of the seven rocky worlds represent the “holy grail for planet-hunting astronomers” as they are firmly located in the 'habitable zone'.

Feb 23, 2017, 10:03 AM IST

Seven Earth-like planets found around a single star: Things you need to know

The US space agency NASA has discovered another 'solar system' - seven Earth-like planets orbiting a small star in a galaxy 40 light years away. 

Feb 23, 2017, 01:06 AM IST