Q&A

What if you go straight up in space?

What if you go straight up in space?

This means if you could drive straight up going 60mph you would arrive in outer space in just over an hour’s time. …

Why can’t we go straight up in space?

If you wanted to escape the Earth’s gravity and explore the Solar System in the regular old way, you’d need to add about 10 km/s in velocity to your spacecraft. But for straight up, you’d need about 30 km/s, meaning more fuel, and compromises to your payload.

What do we encounter going straight up out of the Solar System?

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If we travel further away, and look for even more distant objects, then suddenly we run into a proliferation of stars within our own galaxy which are ‘up’ above the plane of our solar system.

Can planets orbit perpendicular?

Just like the planets of our solar system, most exoplanets tend to orbit their star in the same direction that the star spins. But when they don’t, exoplanet orbits overwhelmingly prefer to be perpendicular.

What happens if you go downwards in space?

If you are in space and the earth is the nearest astronomical object, you fall towards earth. Nothing magical happens if you are leave earth’s surface and board the International Space Station: down is still in the same direction.

How many planets can orbit a star?

So, using the criteria for a large star (4 solar masses) an innermost planet (3 AU) an outermost (1 light year – a bit of a stretch), and distance multiple (1.4 – also probably on the low side), a 4 solar mass star could have a maximum of 30 planets.

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Can we see planets spin?

You don’t see the earth spinning from earth because it spins at 360 degrees per day. It’s just too slow for you to notice.

What happens when we travel further away from our Solar System?

If we travel further away, and look for even more distant objects, then suddenly we run into a proliferation of stars within our own galaxy which are ‘up’ above the plane of our solar system.

Why can’t I face up in the Solar System?

Since the direction of ‘up’ away from the solar system doesn’t also point you directly out of the Galaxy, if you want to face a direction that aims you at the center of the galaxy or ‘up’ out of the Galaxy, you need to point yourself in a different direction.

What will happen to Mars when the Sun engulfs the Earth?

Mars may escape the sun’s actual reach — it’s at the borderline — but that water will likely all be gone by the time the red giant star takes over the inner solar system. As our red giant sun engulfs the inner planets, some of their material will likely get thrown deeper into the solar system, to be assimilated into the bodies of the gas giants.

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What will happen to the planets when the sun becomes a red giant?

The life cycle of the sun takes it from the life-giving star we know today into a swelling red giant and, eventually, a planetary nebula surrounding a tiny white dwarf. (Credit: S. Steinhöfel/ESO) And what will happen to the planets once the sun enters the red giant phase? The solar system’s denouement is still a subject of debate among scientists.